Each is subject to change if I find a better one.
One userbox
editxkcd This user cannot go to bed when someone is wrong on the Internet.
One mini-organisation
editOne good thing I did
editOne cabal
edit- the irc channel #wikipedia-en on Freenode
One thing that makes me sigh
editOne thing I like
editOne worthless group of integers
edit- multiples of 5 (except 0)
One definition
edit- being pedantic: ignoring the fact that there are multiple definitions for a term you're using
One nice property of this definition is that you cannot use it to prove that you're not being pedantic.