Definitions by Johnson Gettung

yamsteez 

when you absolutely yam berf on someone when throwin down the rock aka you dunk on someones face playin ball.

(After PJ Brown dunks on Pau Gasol in Game 4 of the NBA 2008 Finals)
Observer: YOOOOOO check the YAMSTEEZ!

yamsteez by Johnson Gettung June 12, 2008