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mouth on someone

Slang definitions & phrases for mouth on someone

mouth on someone

verb phrase

To inform on; squeal: He got busted, and he mouthed on everybody he knew (1960s+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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