When you stretch your scrotum and bounce your penis up and down like a squirrel jumping on a trampoline.
by nrcraddo October 13, 2017
by Harry windmill June 22, 2018
stretching one's scrotum forward and shaking it up and down so that the tip of the penis bounces on it
by madfunfrank September 30, 2013
Slang for the ball sac, which acts as a trampoline for the chin toward the end stages of fellatio; helpful for adding momentum to the bobbing motion.
"I was sucking Roger's dick, and his Chin Trampoline came in really handy because he was taking forever to blow his load "
by putitinmybuttandcallmemama October 26, 2014
Sex move, Cowgirl based. The bottom thrusts repeatedly, bouncing the top up and down on them. Known as the reverse trampoline because the bottom (the trampoline) bounces the top.
by LunarLander August 07, 2017
by tripleSBJ March 16, 2024
by Psychic ramone November 14, 2020