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 6, 2017

by pingvuiini August 25, 2013

by Bophadeus September 27, 2021

While In a Threesome have one member lying down on there back on the verge of diarrhea (should be watery and dark like welch’s cranberry juice) Place another member mouth open at the ass of the member laying down the final member should then be standing over the member lying down and when all parties are ready you will jump up and down on the stomach of the person laying down forcing them to shit uncontrollably into the other person mouth then completing the welch’s trampoline
These sisters i got with last night were mad freaky, we did a welch’s trampoline in the dorm room, almost broke the bed bro
by Dr.jbalvin May 5, 2024

by MintyDictionary August 8, 2015

Resuming stupid or dangerous behavior with little or no learning from previous experience or expert analysis.
"He stayed at home for, like, three days, then trampolined to a party and picked up this chick and took her home. She was really hot - her temperature was 104."
by TheDomWTF March 23, 2020

by tripleSBJ March 15, 2024
