i know W.O.R.D. combinations a lot of them actualy check it out:

lol: lots of laughter
wtf: what the fuck
ftw: fuck the what (it also means: fuck the world)
wttia: woh that thing is awesome
rotffmhb: rolling on the floor fucking my hot bitch
rlyfmo: retards like you freak me out
gays: go away you sicko
gaysw: go away you sick wacko
gaysoiwctc: go away you sicko or i will call the cops
itgiap: i think that guy is a pedo
yaar: you are a retard
dydsmp: don't you dare soil me pants

oh and i didn't make up these.