muck up

Meaning

1. 1

   muck sth up

   to do sth badly so that you fail to achieve what you wanted or hoped to achieve

   He completely mucked up his English exam.

2. 2

   muck sth up

   to spoil a plan or an arrangement

3. 3

   muck sth up

   to make sth dirty

   I don't want you mucking up my nice clean floor.

In the movies · 5

• Kaylee, I want you to muck up the reactor core.Serenity2005
• Yeah, I mucked up a little bit at school so it's like a second chance.I, Daniel Blake2016
• Aw, babe, you're mucking up my timing.House of Games1987
• Maybe you should do me. I'll only muck it up if I have to do myself.Shaun of the Dead2004
• With all due respect, Jerry, I don't want you mucking this up.Fargo1996

Learn it in full scenes

• Fargo1996
  • Jerry Hires Two Kidnappers
  • Jerry Haggles With the Kidnappers
  • Jerry Sells the TruCoat

From the same entry

• where there's muck there's brass
• muck about
• muck about with
• muck about
• muck in
• muck out