Etymology: (1590–1600; < D mof < ONF moufle < early ML muffula)
Definition of 'MUFF'
Princeton's WordNet
1. (noun)muff a warm tubular covering for the hands
2. (verb)fumble, muff (sports) dropping the ball
3. (verb)muff fail to catch, as of a ball
4. (verb)botch, bodge, bumble, fumble, botch up, muff, blow, flub, screw up, ball up, spoil, muck up, bungle, fluff, bollix, bollix up, bollocks, bollocks up, bobble, mishandle, louse up, foul up, mess up, fuck up make a mess of, destroy or ruin "I botched the dinner and we had to eat out"; "the pianist screwed up the difficult passage in the second movement"
Definition of 'MUFF'
Webster Dictionary
1. (noun)MUFF a soft cover of cylindrical form, usually of fur, worn by women to shield the hands from cold
2. (noun)MUFF a shorthollow cylinder surrounding an object, as a pipe
3. (noun)MUFF a blown cylinder of glass which is afterward flattened out to make a sheet
4. (noun)MUFF a stupid fellow; a poor-spirited person
5. (noun)MUFF a failure to hold a ball when once in the hands