WordNet sense 1 (something of little value or significance):

bagatelle, frippery, frivolity

WordNet sense 2 (make a mess of, destroy or ruin):

blow, bobble, bollix, botch, bumble, bungle, flub, fumble, mishandle, spoil, screw up, bodge, bollix up, bollocks up, botch up, louse up, muck up

WordNet sense 3 (erect or fluff up):

ruffle

WordNet sense 4 (ruffle (one's hair) by combing towards the ends towards the scalp, for a full effect):

tease