This is calling jumping out the gym.
IG user Dunkademics posted this video of a young hooper trying to jump out the gym and hitting his chin on the rim of a regulation-height basketball hoop.
Check out @_jecobybush_ hitting his CHIN on the rim! Go follow him and @takemytalent for more vids! #dunkademics #dunk
The kid, Jecoby Bush, is a 3 star junior at Clear Spring High School in League City, Texas.