bollocks_up
1. [ verb ] make a mess of, destroy or ruin
Synonyms: louse_up spoil fuck_up muck_up foul_up flub mess_up blunder ball_up mishandle muff bumble blow fumble bollocks bobble fluff bungle bollix bollix_up screw_up botch_up botch
Examples:

"I botched the dinner and we had to eat out" "the pianist screwed up the difficult passage in the second movement"

Related terms: fail blurt_out blunder spoil bungler fluff ballup screwup
Similar spelling:   bollix_up