jumped — to spring clear of the ground or other support by a sudden muscular effort; leap: to jump into the air; to jump out a window.
lumped — a piece or mass of solid matter without regular shape or of no particular shape: a lump of coal.
slumped — to drop or fall heavily; collapse: Suddenly she slumped to the floor.
stumped — the lower end of a tree or plant left after the main part falls or is cut off; a standing tree trunk from which the upper part and branches have been removed.
thumped — a blow with something thick and heavy, producing a dull sound; a heavy knock.