shrump verb 3noun 1forms 3 verb3 •(dialect) To shrink, shrivel. •(dialect) To shrug (the shoulders). •(dialect) To shiver from cold. noun1 •(slang) A pile of leaves with a mushroom underneath.I bend down to peek at the shrump Starwood identified. From the top it looks ordinary enough, but from the side, I can see a fruiting body is pushing out of the ground. — 2023 formsshrumped · shrumping · shrumps