10-4

English

Alternative forms

• ten-four

Etymology

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Pronunciation

• IPA^(key): /ˌtɛnˈfɔː(ɹ)/
• Rhymes: -ɔː(ɹ)

Interjection

10-4

1. (CB slang) Affirmative.

   “Are you pulling in at the next truckstop?” “That's a big 10-4 on that.”

   • 1975, “Convoy”, in C.W. McCall, Chip Davis (lyrics), Black Bear Road, performed by C. W. McCall:

     By golly, it's clean clear to Flag Town, c'mon
     Yeah, that's a big 10-4 there, Pig Pen.

2. Message received, understood, acknowledged.

See also

• 10-20
• CB radio