jellyflopter 

a flippant name for a helicopter, derived from bellyflop and helicopter.

Look a jellyflopter!

jellyflopter by Rosel June 1, 2006

jellycopter 

Where you perform the helicopter and cum at the same time. Spin it and fling it!

Steve- Hey babe, look at me!! Im doing the jellycopter!
Jacey- Whats a jellycopter?? (she is turning around to see)
Steve- Oooohhhh!!!
Jacey- Fuck!! You got it in my eye!!!

jellycopter by AhizzleYO June 4, 2011

jellycopter 

What a small group of punks call fat people trying to act cool when really he/she isnt

"look at that group of jellycopters, hahahaha"

jellycopter by o.0 ? December 16, 2005