FLABBY Meaning of FLABBY in English adj. (flabbier, flabbiest) 1. (of flesh etc.) hanging down; limp; flaccid. 2 (of language or character) feeble. Derivatives: flabbily adv. flabbiness n. Etymology: alt. of earlier flappy f. FLAP Oxford English vocab. Оксфордский английский словарь. 2012