1 definition by K9 Magazine

The motion a dog makes when kicking out their rear legs in a triumphant, bull-like fashion following a toilet stop.
Unlike their feline counterparts, the canine species does not seek to hide their shame with a mock burial of their ‘doings’. The bullish celebration is a self-congratulatory act intended to show the world how proud they are of their work with the aid of a highly visible display.
by K9 Magazine August 18, 2006
Get the Bullish Celebration mug.