foul-up

[foul-uhp]

noun

Informal.

1. a condition of difficulty or disorder brought on by inefficiency, stupidity, etc.

2. failure of a mechanical part to operate correctly.

3. a person who habitually makes mistakes; bungler.

foul up

verb

1. (tr) to bungle; mismanage

2. (tr) to make dirty; contaminate

3. to be or cause to be blocked, choked, or entangled

noun

1. a state of confusion or muddle caused by bungling

Word History and Origins

Origin of foul-up¹

1950–55, noun use of verb phrase foul up

Idioms and Phrases

Blunder or cause to blunder; botch, ruin. For example, He's fouled up this report, but I think we can fix it, or Our plans were fouled up by the bad weather. This expression is widely believed to have originated as a euphemism for fuck up. [Colloquial; c. 1940]