mishandle

Verb (2)

1. 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”Synonyms: botchbodgebumblefumblebotch upmuffblowflubscrew upball upspoilmuck upbunglefluffbollixbollix upbollocksbollocks upbobblelouse upfoul upmess upfuck upMore general fail, go wrong
2. manage badly or incompetently“The funds were mismanaged”Synonyms: mismanagemisconductMore general manage, deal