I have more boxen than would be appropriate for the main userpage. They are on the main userpage. Here are the rest.

Wikipedia Relevant

J This user trusts Jimbo.	Wikipedia is not censored.	This user reserves the right to completely screw up his own edits.
1RR This user prefers discussing changes on the talk page rather than engaging in an edit war.

Computer-y

This user contributes using a PC.	This user contributes using Firefox.	PHP-1 This user is a beginning PHP programmer.
mysql-1 This user is a beginning MySQL user.	xhtml-4 This user is an expert XHTML user.	css-4 This user is an expert Cascading Style Sheets user.
1337-N +|-|15 |_|><0|20z 15 +3|-| /\/471\/3 5|*33|<z0|2 0|= |€€+.	nap This user used Napster back when it was free.
This user contributes using Microsoft Windows.	This user contributes with Fedora Linux.
AMD This user uses an AMD Athlon processor

Personal

w/e This user prefers to be referred to by whatever gender pronoun makes you feel comfortable.

牛 This user was born in the year of the Ox.

Musical

This user advocates the use of more cowbell.	voc-2 This user is an intermediate vocalist.	arg-3 This user is an advanced air guitarist.
gtr-1 This user is a novice guitarist.

Advocacy

This user sees nothing wrong with the human form and doesn't view it as something that needs to be hidden.	This user supports the use of glowing green energy.	This user supports the use of green energy.
This user supports the inclusion of sex education in school systems.	This user supports and encourages the practice of safe sex.	This user thinks that abstractions cannot hurt anybody.
This user would like to remind you that December 1 is World AIDS Day.	mankind This user opposes the use of gender inclusive language.	This user accepts that Wikipedia is not a democracy, but sure wishes the United States were one.
This user believes it is every citizen's duty to assess every candidate and abstain from voting if none is found fit for office, unless he or she wants to vote anyway.

Beliefs

agn This user is interested in agnosticism.	IPU This user worships the Invisible Pink Unicorn (bbhhh).	IPU This user doesn't really worship the Invisible Pink Unicorn (bbHhh).
This user is skeptical of superstitions such as Christianity.

Games

GW This user plays Guild Wars, because it's free.	This user plays ultimate.	This user plays with a full deck.
This user enjoys chess.	This user passed GO! (…so where is my $200?)	This user enjoys playing Euchre.
This user still enjoys playing games on the NES.	This user feels that the SNES or Super Famicom was the last great console.	This user knows where in the world Carmen Sandiego is.
塊魂 Na na-na na-na na na na na Katamari Damacy!	P This user prefers to side with the Protoss.	An Adventurer is this User.
This user settled Catan.	This user plays eight-ball.

Language

Userboxen

This user is a participant in WikiProject Userboxes.	ubx-5 This user uses entirely too many userboxes.	This user was up all night finding userboxes and is now very drowsy.
— This space is for rent.	:-/ This user is a sceptic, even with regard to this userbox.	This user's entire personality can be summed up in a few userboxes.
${\displaystyle \sum }$ This user is greater than the sum of his userboxes.	This user likes to use redundant userboxes that are redundant.	This user likes to use redundant userboxes that are redundant.
This user uses userboxes on their userpage, in fact, this is a userbox	Mmm, userboxes This user thinks that more Wikipedians would like userboxes if they were edible.	This user is aware of how silly this huge table looks on his user page, but acknowledges that its real purpose is twofold: statistics and standardization.

/nick TP|good-idea-zed

This user is from Camelot, and eats ham and jam and spamalot!	This user is a cereal killer.	This user eats sushi.
This user would likely die without eating the occasional curry.	This user eats chocolate.	This user drinks Pepsi.
This user drinks hot chocolate.	This user drinks chocolate milk.	This user drinks Mountain Dew.
This user practically inhales jalapeños.

Silliness

This user is owned by one or more cats.	This user has no idea who Mr Ducky is, but wanted to join in the fun.	This user drives a rusty piece of junk.
SARC This user believes sarcasm is the highest form of wit.	This user would like to wish you a happy Canada Day.	This user is not the Messiah! He is a very naughty boy!
This user remembers using a rotary dial telephone.	Fact: There are no steroids in baseball. Only players Chuck Norris has breathed on.	"It is awfully hard to be b-b-brave, when you are a very small user."
-xen This user advocates the plural form -en for singular nouns ending in x ( oxen, boxen, foxen)	${\displaystyle \int e^{x}dx}$ | I | N | T | E | G | R | A | L | S | My antiderivative	This user is old enough to remember what a typewriter is, and that's all you need to know.
This user puts up a real Christmas tree, not an artificial one.

Unsorted

Sort me!

Sellout This user watches the Super Bowl for the ads.	This user reads between the lines.	This user enjoys reading anything.
D This user reads Dilbert.	This user reads webcomics.	This user knows that bears are Godless killing machines.
This user listens to NPR.	This user is a university student.	This user enjoys contributing to Wikipedia without wearing clothes.
This user uses Google as a primary search engine.	This user is interested in Peak Oil Theory.	This user believes in the separation of church and state.
This user has never left the Northern Hemisphere.	This user is a certified scuba diver.	porn This user enjoys pornography.
This user enjoys sex.	prn This user uses pronouns.	This user sees nothing wrong with the human form and doesn't view it as something that needs to be hidden.
This user's favourite colour is grey.	whore This user is a whore for Wikipedia.	This user spends far too much time editing his user page.
A, B, and C This user prefers the serial comma.	This user has never left the Northern Hemisphere.	This user maintains a blog.
Ninja This user is a NINJA!	..... This user is a professional procrastinator.	¡ This user knows the Chewbacca Defense and is not afraid to use it!
This user maintains a Facebook profile.	... This user would like to be able to speak many more languages.	This user eats cheese.
mam This user is a mammal.	non This user is full of non sequiturs. Fix my saxophone!	This user enjoys rock music.
This user's time zone is Eastern Standard Time.	This user scored 477.067384766762 on the Wikipediholic test.	I would say I'm a cynic but I bet you just wouldn't believe me.
No user serviceable parts inside.	This user believes that only articles need reflect a NPOV, and that displaying political, religious, or other beliefs using userboxes and user categories should not be banned.	This user tickles chipmunks.
This user honestly just doesn't care anymore about what shape the Earth is. Let it go, man.	bias This user is aware that a majority of the media is biased against him and he is strongly opposed to this.	... This user may get around to being a professional procrastinator. Someday. Maybe.
LE-0 This individual still maintains a shred of dignity in this insane world by adhering to correct spelling, grammar, punctuation and capitalisation.