v. To fall heavily, because lacking energy.v. To fail completely, not to be successful at all (about a movie, play, book, song etc.).v. To pretend to be fouled in sports, such as basketball, hockey (the same as to dive in soccer)n. An incident of a certain type of fall; a plopping down.n. A complete failure, especially in the entertainment industry.n. The first three cards turned face-up by the dealer in a community card poker game.n. A place to stay, sleep or live. See flophousen. A ponded package of dung, as in a cow-flop.ad. Right, squarely, flat-out.ad. With a flopping sound.n. A unit of measure of processor speed, being one floating-point operation per second.