Top Definition
internet slang..literally translates to rolling on the mother fucking floor laughing my mother fucking ass off...

it originated with just "rofl" <i>(rolling on floor laughing)</i>
<i>JohnDoe5150</i> yeah bro, yesterday mike hawked a loogie on josh's head, and i was ROMFFLMMFAO!
by maria wuornos October 14, 2004
A really long way of saying "lol".
Dude, I just saw some guy get hit in the head with a coconut and now I'm ROMFFLMMFAO!
by skppy1225 July 31, 2006
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