muck up

US /mʌk ʌp/
UK /mʌk ʌp/
"muck up" picture
1.

to make a mess of something; to spoil something completely

:
•
I really mucked up the presentation.
•
Don't muck up your chances by being late.
:
botchmess upscrew upspoilruin
:
muck abouton the up and upupup tocome up withfollow upkeep up with