- flop
- [[t]flɒp[/t]]v. flopped, flop•ping, n.1) to move around in a heavy, clumsy manner2) to drop, fall, or turn in a heavy or negligent manner:He flopped down on the couch[/ex]3) to change suddenly, as from one side or party to another4) to fail:The play flopped dismally[/ex]5) to flap, as in the wind6) cvb inf Informal. to sleep or be lodged7) to drop with a sudden bump or thud8) to move or swing loosely or clumsily; flap:The buzzard flopped its wings[/ex]9) to dispose (oneself) in a heavily negligent manner:to flop oneself in a chair[/ex]10) pht to invert (the negative of a photograph) so that the right and left sides are transposed11) an act of flopping12) the sound of flopping; a thud13) a complete failure14) cvb inf Informal. a place to sleep; temporary lodging•Etymology: 1595–1605; var. of flap flop′per, n.
From formal English to slang. 2014.