What is Big 10-4?
In the CB slanguage:
1. Hi there!
2. Enthusiastic agreement.
1. I just wanted to say a big 10-4 to ya!
2. That's a big 10-4!
secret way of saying that a girl has huge knockers
"did you see that girl"
"thats a big 10-4"
See 10-4, big, boobs, knockers, hooters
