LYFAO (Laughing Your Fucking Ass Off) is commonly known as a contrapositive of LMFAO (Laughing My Fucking Ass Off). Except that the other person is saying "LMFAO on YOUR side!!!"
(ProTip: They meant "LYFAO")
(ProTip: They meant "LYFAO")
Passenger: "Why are you driving on the left side of the street?"
Driver: "OMGRLY? LMFAO!"
Passenger: "LMFAO on YOUR side! I mean...LYFAO!!!"
Driver: "OMGRLY? LMFAO!"
Passenger: "LMFAO on YOUR side! I mean...LYFAO!!!"
by DickDangerous September 29, 2012