To refuse to do something out of fear or cowardice, especially after agreeing to do it.
"He said he'd do the bungee jump, but he punked out at the last second."
To lose one's nerve and refuse to do something out of fear; to act in a cowardly way.
To be too scared to do something you said you would do.
One main meaning — here's how to use it.
To refuse to do something out of fear or cowardice, especially after agreeing to do it.
"He said he'd do the bungee jump, but he punked out at the last second."
Primarily American slang. Carries a strong tone of contempt or disappointment. Used among peers to criticise someone for cowardice. Common in youth culture and informal speech, less frequent in general usage.
Natural word combinations native speakers use most often.
The five tense forms you'll use most often.
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