Definitions by NiYo

Roflcopter 

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"

Roflcopter by NiYo February 17, 2009