Dammit, now you made me look up flaccid.

Adj. 1. flaccid - drooping without elasticity; wanting in stiffness; "a flaccid penis". soft - yielding readily to pressure or weight. 2. flaccid - out of condition; not strong or robust; incapable of exertion or endurance; "he was too soft for the army"; "flabby around the middle"; "flaccid cheeks". flabby, soft.