a knuckle sandwich
This page is about the idiom a knuckle sandwich
INFORMALMeaning
If you give someone a knuckle sandwich, you punch them.
For example
- If you say that again you'll get a knuckle sandwich!
- Simon said he'd give me a knuckle sandwich if I wasn't careful, so I said "Come on then, let's go outside!"
This is a humorous idiom usually used among friends when they're joking.
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Contributor: Matt Errey