trampoline 

A piece of equipment that you jump on and do many tricks on like Front Flips and Back Drops.. Etc

Guess what, I did a front flip on my trampoline yesterday!

trampoline by C.P August 17, 2006

trampoline 

The actof a girl riding a guy but bouncing up and down on his cock. WARNING: If the cock slips out of place, prepare for pain.

That girl was unusually hyper last night and was doing a trampoline on me! Shit nigga!

trampoline by Tom Sroka November 14, 2007

Trampoline 

A male sexual display;

The act of stretching one's scrotal skin out with two hands - using thumb and forefinger - parallel to a primary surface (i.e. a bed or floor) until smooth, with the penis resting on top, utilizing the grip and taut skin to move the scrotum up and down at various speeds to have the penis bounce off of it continuously.

tram·po·line Noun /ˈtrampəˌlēn/

tram·po·line Verb /ˈtrampəˌlēn/

Variations:
trampolined (past tense); trampolined (past participle); trampolines (3rd person singular present); trampolining (present participle); "Trampoline Dick"; "Trampoline Cock"; "The Trampoline"; "The Bounce"

Usage Example:
"I ran out of tricks once I actually got her in bed, so I just showed her The Trampoline and bounced my way back into her heart and right between her legs."

Trampoline by Brandan Darren December 19, 2010

Trampoline 

The act of forcing a man's penis into a woman's inner cheek lining. As the cheek reaches it's maximum extension it bounces back

Jean and Rick played trampoline in the car during their lunch hour.

Trampoline by TickleMeNutsack November 12, 2010

trampoline 

The part of your shirt that's stretched out between the gap in your boobs.

She threw a penny at my shirt, but it bounced off my trampoline.

trampoline by rejakalu December 25, 2007

Trampoline 

The process of fingering a girl when she still has her panties on. You would push on the outside of the panties, pushing them into the womens vagina. It is in-titled the Trampoline because the panties push back just like a trampoline would. Trampolining a girl is not consider a good thing, and you should make fun of a friend if that is all he/she has done, however it is better then getting nothing.

"Dude did you finger her last night?"
"Nah man! she would not let me but she did let me trampoline her..."

Trampoline by 0110 March 13, 2010

trampoline 

(n.) A term used to refer to an ass that a person would want to 'jump all over'.

Damn son, Beyonce's got a fine trampoline!

trampoline by Melissa J July 8, 2006