The cursed definition of jumping on a trampoline. Users use the word trampolining in internet GIFs, using mostly anime characters ahem- "jumping."
by TheWeirdMemer July 25, 2022
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.
by MyNutsRSweaty January 23, 2019
by Bophadeus September 27, 2021
by pingvuiini August 22, 2013
by Solid Mantis July 08, 2020
by Solid Mantis July 08, 2020
by Pillowtalk409 December 05, 2020