flop Synonyms

founder fizzle dud bust fall through washout collapse letdown SNAFU clanger pratfall lame duck loosen up bomb out wilted misfire dosshouse flophouse sit back bed down kip down kick back flaps run aground forced landing hootch also-ran destress ease up backfire turn in foul up mess up go wrong balls-up nonstarter wash out floating-point operation jerking off megaflop playlet plump down schlimazel shlimazel underachieve unstuck be defeated be frustrated be in vain blow up in someone's face