Louse up

usgb
verb

To mess up or ruin something.

I didn't want to louse up the project so I double-checked my work before submitting.
Visual representation of "louse up" - To mess up or ruin something

Often appears as...

  • don't louse up
  • louse up something

Usage tips

Informal

Colloquial

Definition 1 of 1
Visual representation of "louse up"
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Casual Usage

Use 'louse up' in informal settings, like conversations with friends, not in formal writing.

Illustration for Casual Usage
I hope I don't louse up my speech in front of everyone.
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Negative Outcome

'Louse up' implies a mistake leading to a negative result, showing disappointment or frustration.

Illustration for Negative Outcome
He really loused up our chances of winning the game.
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Colloquial Origins

Originates from 'louse' being a pest; 'louse up' metaphorically means making a situation 'pest-like' or troublesome.

Illustration for Colloquial Origins
Don't louse up your room by leaving dirty clothes everywhere.
Visual representation of the word "Louse up"

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