rap on the knuckles
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Related to rap on the knuckles: bum rap, rap across the knuckles, take the rap, rap over the knuckles
rap (one) on the knuckles
1. Literally, to smack someone, especially a child, on the knuckles as a punishment for misbehavior. The teacher was fired for rapping students on the knuckles when they spoke out of turn.
2. By extension, to give someone a warning, verbal scolding, or a minor punishment. The public was outraged that the government merely rapped the company on the knuckles for illegally dumping chemicals in the river. The boss rapped my knuckles for coming in late on Friday.
rap on the knuckles
A quick, minor punishment intended to serve as a warning. The public was outraged that the company only received a rap on the knuckles from the regulatory agency after being caught illegally dumping chemicals in the river.