Synonyms for Screw Up (same or very similar meaning)
WordNet sense 1 (make a mess of, destroy or ruin):
blow, bobble, bollix, botch, bumble, bungle, flub, fluff, fumble, mishandle, spoil, bodge, bollix up, bollocks up, botch up, louse up, muck upWordNet sense 2 (make more intense):
heat up, hot upFrom the ODE community, based on WordNetadd/edit