Find the word definition

Wiktionary
ball up

vb. 1 (context transitive English) To crush into a ball shape. 2 (context intransitive English) to coil up into a ball. 3 (context intransitive English) To hunch over and pull in one's arms and legs. 4 (context slang transitive English) to ruin or botch

WordNet
ball up

v. 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" [syn: botch, bumble, fumble, botch up, muff, blow, flub, screw up, spoil, muck up, bungle, fluff, bollix, bollix up, bollocks, bollocks up, bobble, mishandle, louse up, foul up, mess up, fuck up]