Definitions by The Doctopus

Cowabunga it is 

An expression used to accept a challenge, wage war or defend one's honor by unspecified but extreme/chaotic measures.
In all instances it is a simple way of indicating that come what may, your decision is set in stone.

Her: If you don't pause your game right now, we're breaking up.
Me: Cowabunga it is.

Cowabunga it is by The Doctopus November 27, 2019