Botch up
(PW) make a mistake, ruin
I asked for her help with my watercolor painting. But when she decided to add some purple paint, I knew that she completely botched it up.
(MW)
1 : to foul up hopelessly —often used with up
2 : to put together in a makeshift way
— botch·er noun
(free)
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"
(Using English)
Meaning: Ruin or spoil something
Example: I BOTCHED UP the whole project and it had to be cancelled.
Botchy
