Definitions by 1080p

What's 9+10 

Some random ass vine made by some random ass black kid claiming 9+10=21 (obviously no racism intended)

Guy - "You Stupid."
Kid - "No I'm not."
Guy - "What's 9+10?"
Kid - "21."
Guy - "You Stupid."

What's 9+10 by 1080p October 8, 2014