omgYkkyb

variant of OMGTKKYB, or "oh my god they killed kenny!/you bastard!" a sickeningly common set of lines used in the television show South Park after kenny is killed. when the T is replaced with a Y (or a U), it becomes "omg YOU killed kenny, you bastard!"
Use whenever!

person 1: <3 you!
person 2: omgykkyb

-hey, what's up?
-omgykkyb!

-how was the movie?
-omgyykyb

-so who is bringing the beer?
-omgykkyb

-why do you hate me?
-omgykkyb!

yeah you get the point.