blunder


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

     n : an embarrassing mistake [syn: blooper, bloomer, bungle,
          foul-up, fuckup, flub, botch, boner, boo-boo]
     v 1: commit a faux pas or fault [syn: sin, boob, goof]
     2: make an error [syn: stumble, slip up, trip up]