Definitions by angyninjamonkey

Wachah 

1. To show excitement for something.
2. To give a positive response.

1. James just won the lottery, and he screams "WACHAH"!
2. "So what do you think of GTA 4?" Joe asked and Dave responded while nodding his head, "wachah."

Wachah by angyninjamonkey August 4, 2008