foul up (verb) foul up: make a mess of
Sinonime: abortion, bankruptcy, bomb*, botch, breakdown, bungle, bust, checkmate, collapse, decay, decline, defeat, deficiency, deficit, deterioration, downfall, failing, false step, faux pas, fiasco, flash in the pan, flop, frustration, implosion, inadequacy, lead balloon, lemon, loser, loss, mess*, misadventure, miscarriage, misstep, nonperformance, nonsuccess, overthrow, rout, rupture, sinking ship, stalemate, stoppage, total loss, turkey, washout, wreck
Antonime: fix,
mend,
organize