A sound that happens when a fat person jumps up and down on a trampoline, the jellyrolls flopping up and down. Can also be used with males when they jump up and down, because their genitals have the same effect fat peoples jelly rolls have.
The boys jumped up and down. "Wha-psh! Wha-psh! Wha-psh!"

The grotesquely obese woman jumped on the trampoline, it was sagging under her weight. A soft and steady, "Whaaaa-Pshhhhh.... WHaaaaa-Pshhhhhhh...." issued forth.
by phiuck yiu June 1, 2007
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