Definitions by MDAG

CHA BOI 

To express feeling of joy or agreement in a private or public situation.

Girl 1: I just got 100 dollar tip for some old guy!!!!
Girl 2: CHA BOI!!!!!!!!!!!

Guy 1: I just did the cheerleader captain
Guy 2: CHA BOI!!!!!!!!!!!!!!!

CHA BOI by MDAG February 29, 2008