Definitions by ShadowKnight

tisa 

Nerdic, or preppy Abbreveation for "that is so awesome"
thought up by my friend Jen

(You are playing CSS and kill the entire enemy team, someone would most likely say....) OMG M8 TISA!!! You are so 1337! DONT LEAVE PLZ OUR NOOBINESS NEEDS YOU!!!

tisa by ShadowKnight November 8, 2008