suck out noun 1verb 1forms 5 noun1 •(slang) An instance of winning a hand by sucking out. verb1 •(slang) To win a hand, usually on a showdown, by hitting a card on the turn or river to make a better hand than one's opponent, even though one had a significantly inferior hand on the flop. formssucked out · sucking out · sucks out · suck outs · suck-outs