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1. Acronym for "Rolling on the floor laughing my ass off eating a taco" normally used while in public or private chatrooms and on Instant Messaging services such as AIM or Yahoo! Instant Messaging.

Derived from roflmao.

Origin: April 26, 2008; California; Used in a conversation in a chat room from roflmao
Hotgirl606: Jeremy slapped my butt today!
Beachbum01: ROFLMAOEAT!!!
by ShinyBrit April 27, 2008
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