Lacking firmness; limp and soft; flaccid.
Lacking force; weak.
Lacking force, control, or effectiveness.
Soft and hanging loosely or in folds.
A flabby belly.
Having a body characterized by fleshiness or softness, as from being somewhat overweight.
He is very flabby around the waist.
Origin of flabby
Alteration of flappy tending to flap from flap