F U

Acronym for "Fuck You!" for those nice people who just can't seem to let the swear word slip.

"F U you big fat meanie!"

lolfas

"Laughing Out Loud For A Second." Something crappy just happened to your friend but, you being the evil person that you are, find a little humor in it.

"Fcuk! I just stepped in dog shit!"

"lolfas. Oh that sucks."