| 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. |
| 7. | Informal. to bungle; handle clumsily: He muffed a good opportunity. |
| 8. | Sports. to fail to hold onto (a ball that may reasonably be expected to be caught successfully); fumble. |
| 9. | Informal. to bungle; perform clumsily. |

muff 1 (mŭf) v. muffed, muff·ing, muffs v. tr.
To perform an act clumsily. n.
[Origin unknown.] |