Top definition
A large expression of computer expressions (meaning a reaction or exclamation to something funny) put together into one word. "ROFL" meaning "Rolling on the floor laughing", "LOL" meaning "Laugh out loud", "OMG MY BBQ" meaning something I don't think anyone knows, and "LMFAO" meaning "laughing my fucking ass off".
Frank (Typing): HAHAHAA DID YOU WATCH THAT FUNNY VIDEO?

Bob (Typing): Pfft YEAH!!! I WAS LIKE ROFLLOLOMGMYBBQLMFAO
by HeartsthingS. June 14, 2009
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