10-9 is a police, and other 10 code using service, which has a meaning the same as, "repeat" or "say-again"

From a distance, the chick looks like a 10. But as she gets closer, she goes from a 9, to an 8, to a 4.

A vine that was made with a little kid.

A vine that was created by a younger boy and his older brother in which the boy says that the sum of 9 and 10 is equal to 21. This vine was scripted for him to say 21, and he is not stupid.

9:10 is the most important time of the day and will often be celebrated by screenshoting the time 9:10 on your lock screen of listening to the 9:10 tunes playlist on Spotify. It’s origin is not 100% certain but we think it was when someone asked what this time was and someone said 9:10.