Pronunciation: (muf),[key] —n. 1. a thick, tubular case for the hands, covered with fur or other material, used by women and girls for warmth and as a handbag.
2. a bungled or clumsy action or performance.
3. Sports.a failure to hold onto a ball that may reasonably be expected to be caught successfully.
4. a tuft of feathers on the sides of the head of certain fowls.
5. Slang(vulgar).a woman's pubic area.
6. See under muff glass.
—v.t. 1. Informal.to bungle; handle clumsily: He muffed a good opportunity. 2. Sports.to fail to hold onto (a ball that may reasonably be expected to be caught successfully); fumble.