A term that is widely used in texting and chat, and on Facebook and elsewhere on the internet, but what does 10-4 mean in slang?
Most Common 10-4 Meaning
10-4 means okay, affirmative or understood.
10-4 is used to acknowledge that you have understood someone’s message and to respond affirmatively.
Person 1: We’re meeting in the usual place at 8.00pm.
Person 2: 10-4.
Other 10-4 Meaning
Someone who looks good from a distance (10/10), but not close up (4/10).
What Does 10-4 Mean?
Okay, affirmative or understood.