bwah

An onomatopoeia used frequently by Rabbids to express unbridled rage or excitement, embarssment, etc.

(bwah) When the Rabbids meddled with the Supa-Merge Headset, their Time Washing Machine teleported them to the Mushroom Kingdom; overjoyed at the discovery a new world where they could wreak havoc to their hearts desire, they all shouted "BWAAAAAAAAH!!!!!!" from the depths of their souls.