When you Yeet Share definition Flag A term used by mainly black teens, or white teens thinking they are cool. 'When you Yeet' describes you yeeting. Dude: Yo bro, you know what happens when you yeet? Dude2: bro what? Dude: you yeet lol When you Yeet by ICreep17E June 7, 2018 Get the When you Yeet mug.