usage: 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"
2. bungle, act, behave, do
usage: spoil by behaving clumsily or foolishly; "I bungled it!"
Adjective
1. bungled, botched, unskilled (vs. skilled)
usage: spoiled through incompetence or clumsiness; "a bungled job"