User:PJvanMill/One of each

Each is subject to change if I find a better one.

One mini-organisation

 * WP:cleanup

One good thing I did

 * →

One cabal

 * the irc channel #wikipedia-en on Freenode

One thing that makes me sigh

 * the United States of America

One thing I like

 * contemporary classical music

One worthless group of integers

 * multiples of 5 (except 0)

One definition
One nice property of this definition is that you cannot use it to prove that you're not being pedantic.
 * being pedantic: ignoring the fact that there are multiple definitions for a term you're using