1 definition by NiYo

Top Definition
A much larger version of ROFL meaning something very funny, or you're not paying attention, or want to sound funny in return.
Also said as
Roflkopter
Retpoclfor
Rawflkawpter
And way more
Person 1: "Dude, I just burned down my neighbours house.."

Person 2: "lolwut, how?"

Person 1: "I threw a flaming hamburger at his house"

Person 2: "ROFLCOPTER"

by NiYo February 17, 2009

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