foirer (ww):
(het) verknallen(en) to make a mistake, to go wrong.
(en) to botch or make a mess of., verkloten(en) colloquial: to blunder.
(en) colloquial: to make a mess of; to ruin., verneuken(en) to make a mistake, to go wrong.
(en) to botch or make a mess of., verknallen(de) —., verknoeien(en) to incompetently perform (a task); to ruin (something) through incompetent action.
cached Via: Dbnary en WikiWoordenboeken
Via: Memodata.com