definition of
muff

[1] #1 muff n. a warm tubular covering for the hands. wn

[2] #2 muff v. fail to catch, as of a ball. wn

[3] #3 muff n. [fumble] (sports) dropping the ball. wn

[4] #4 muff v. [botch, bodge, bumble, fumble, botch up, 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". wn