fumble (http://definr.com/fumble)

     n : dropping the ball (in baseball or football) [syn: muff]
     v 1: feel about uncertainly or blindly; "She groped for her
          glasses in the darkness of the bedroom" [syn: grope]
     2: make one's way clumsily; "His steps fumbled"
     3: handle clumsily
     4: make a mess of, destroy or ruin [syn: botch, bumble, {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]
     5:  drop or juggle or fail to play cleanly a grounder in
        baseball: "fumble a grounder"