(muf) v.t. & v.i.
1. To perform (some act) clumsily; blunder.
2. In baseball, to fail to hold (the ball) in attempting a catch.
—noun
1. A bungling action; in baseball, etc., a failure to catch the ball.
2. A bungler.
3. A stupid fellow; dolt. [Origin unknown]

(muf) noun
A covering of fur or cloth, usually cylindrical, into which the hands are thrust from opposite ends to keep them warm. [<Du. mof <F moufle]