Muck up
verb
To spoil or ruin something.
I was worried I would muck up the test.
Often appears as...
- muck up something
- muck it up
Usage tips
Informal
Colloquial
verb
To make dirty.
The children had a great time mucking up their clothes while playing in the mud.
Often appears as...
- muck up clothes
- muck up shoes
Usage tips
Informal
Colloquial
verb
To spoil or ruin something.
I was worried I would muck up the test.
Often appears as...
- muck up something
- muck it up
Usage tips
Informal
Colloquial
verb
To make dirty.
The children had a great time mucking up their clothes while playing in the mud.
Often appears as...
- muck up clothes
- muck up shoes
Usage tips
Informal
Colloquial
Definition 1 of 2
Pro Tip 1/3Not Severe
The phrase is informal and often implies a mistake is not very severe or can be fixed.
Don't worry, you just mucked up the order, we can correct it.
Pro Tip 2/3Casual Contexts
Use 'muck up' in casual situations or conversations, not in formal writing or speeches.
I hope I don't muck up my lines in the play.
Pro Tip 3/3Self-Deprecation
Commonly used by someone admitting their own mistake in a humble or joking manner.
Oops, I really mucked up this time, didn't I?
Pro Tip 1/3Not Severe
The phrase is informal and often implies a mistake is not very severe or can be fixed.
Don't worry, you just mucked up the order, we can correct it.
Pro Tip 2/3Casual Contexts
Use 'muck up' in casual situations or conversations, not in formal writing or speeches.
I hope I don't muck up my lines in the play.
Pro Tip 3/3Self-Deprecation
Commonly used by someone admitting their own mistake in a humble or joking manner.
Oops, I really mucked up this time, didn't I?
Pro Tip 1/3Not Severe
The phrase is informal and often implies a mistake is not very severe or can be fixed.
Don't worry, you just mucked up the order, we can correct it.
Pro Tip 2/3Casual Contexts
Use 'muck up' in casual situations or conversations, not in formal writing or speeches.
I hope I don't muck up my lines in the play.
Pro Tip 3/3Self-Deprecation
Commonly used by someone admitting their own mistake in a humble or joking manner.
Oops, I really mucked up this time, didn't I?
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