v. (pp) 1 sway about heavily or loosely. 2 (often foil. 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. n. 1 flopping movement or sound. 2 slang failure. adv. with a flop. [var. of FLAP] floppy adj. (ier, iest) tending to flop; flaccid. n. (pl. ies) (in full floppy disk) Computing flexible disc for the storage of data. floppiness n.
