Yuri - Girl loves Girl relationships.

Het - Boy loves Girl/Girl loves Boy relationships. Don't expect to see many (if any) of these.

Lemon - Graphic Sex Scene(s).

Lime - Not-So-Graphic Sex Scene(s).

Non-Con - Depictions or references to Non Consentual sex.

Torture - Depictions or references to some form of torture.

Angst - It's depressing and the characters tend to be rather unhappy...

Sad - Have your tissues ready if you're the type, it's... Well... Sad.

DeathFic - Someone besides just your random badguys dies.

WAFF - Warm And Fuzzy Feelings. Sweet and generally with a little bit of sugar and fluff for flavor. ^_^

Sap - It takes sweet and sugary and pushes them a few steps further...

Sugar - Sweet and cute romance-type stuff. Like WAFF, but without those Warm and Fuzzy Feelings.

AR - Alternate Reality. Somethings changed and/or out of place from the canon time line.

Humor - Funny. Or at least supposed to be...

SongFic - A Fic set to a song. Lyrics will be italicized.

CB - Character Bashing. Generally Humor.