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

roflcopter 

To run around in a circle on the floor laughing excessively.

See The Simpsons when Homer runs in a circle on the floor going "woop woop woop". Now imagine the same thing with laughter. ROFLCOPTER!
entension of: Rolling On The Floor Laughing.

roflcopter by Jim Blink September 25, 2006

roflcopter 

rolling on the floor laughing chronic outbursts prior to excessive revelry

The was sooo funny! roflcopter!

roflcopter by Mitts October 10, 2005

roflcopter 

A feared helicopter that flies around looking for unsuspecting victims. If you are shot by a ROFLCOPTER, you will forever be turned into a blubbering idiot that does nothing but roll on the ground and laugh.

(Search "ROFLCOPTER: The Movie" in search engine)

Tom got shot by a ROFLCOPTER and now all he does is ROFL all day long, just like the kid in "ROFLCOPTER: The Movie"!

roflcopter by Melissa Jordan July 27, 2008

roflcopter 

A sex move,where the guy places the girl on his dick and spins her around on his dick like a propeller!

Requires either a strong dick, or a light weighted girl

Oh my god, im so horny just roflcopter me now!

roflcopter by Tentacle man January 17, 2009

roflcoptor 

This word was originally used by Jammno in Warcraft III. Since then, it has been adapted into many diferent gaming circles, and IRC channels accrossed the nation.

All aboard the roflcoptor to n00bland!

roflcoptor by T0CH January 8, 2005

Roflcoptermaniatastico 

Constructed for the terms of awesome. A word defined to explain, awsomeness.

Dude! thats roflcoptermaniatastico!

Roflcoptermaniatastico by blacJAC396 December 30, 2010