Top Definition
The act of quick, aggressive sexual relations with an overweight partner. The decision to jellomash is most often made under the heavy influence of of achohol
Person 1: "Dang he just drank a fifth for his birfday and that fat chick eyein him."

Person 2: "He be jellomashin' fo sho tonight!"
#jellomashin' #jellomashing #jello-mash #jellomashed #jellomashes #jellomasher
by dawgs25 March 30, 2010
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