flop

1 to throw or set down clumsily or casually they lazily flopped themselves onto the couch to watch the game flopped the bag of groceries onto the counter Synonyms flump, plank, plop, plump, plunk (or plonk) Related Words fling, heave, sling, toss; ensconce, install, plant, settle

2 to be unsuccessful the attempt to run the ball into the end zone flopped, and our team lost by five points Synonyms bomb, collapse, crater, flame out, fail, flunk, fold, founder, miss, strike out, tank, wash outRelated Words flounder, struggle; decline, sink, skid, slip, slump, wane; crash, crumble, miscarry, misfire; go under; implode, self-destructNear Antonyms cook, flourish, prosper, thrive; prevail, triumph, winAntonyms click, come off, deliver, go, go over, pan out, succeed, work out

3 to move or cause to move with a striking motion a fish flopping around on the dock Synonyms beat, flail, flap, flutter, whipRelated Words bang, batter, buffet, knock, pound, smack, spank, thump; flick, flicker, flit; fan, oscillate, sway, swing; undulate, wave; palpitate, pulse, throb