FLOP
—verb. (-pp-) 1 sway about heavily or loosely. 2 (often foll. By down, on, into) fall or sit etc. Awkwardly or suddenly. 3 slang fail; collapse (play flopped). 4 make a dull soft thud or splash. —none. 1 flopping movement or sound. 2 slang failure. —adverb. With a flop. [var of *flap]