ten-four

[ ten-fawr, -fohr ]
/ ˈtɛnˈfɔr, -ˈfoʊr /

interjection Citizens Band Radio Slang.

(used to express affirmation or confirmation).
Compare ten code.

Origin of ten-four

First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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