—n.
1 soft, light, feathery material coming off blankets etc.
2 soft fur or feathers.
3 sl. a a mistake in delivering theatrical lines, in playing music, etc. b a mistake in playing a game.
—v.
1 tr. & intr. (often foll. by up) shake into or become a soft mass.
2 tr. & intr. colloq. make a mistake in (a theatrical part, a game, playing music, a speech, etc.); blunder (fluffed his opening line).
3 tr. make into fluff.
4 tr. put a soft surface on (the flesh side of leather).
Phrases and idioms:
bit of fluff sl. offens. a woman regarded as an object of sexual desire.
Etymology: prob. dial. alt. of flue fluff
Useful english dictionary. 2012.