Top definition
The act of blowing a conversation apart with stupid and off-topic input
We had to retreat from our brainstorming session because Debbie kept barraging us with her dimmunition.

Our project died an agonizing death when Howard unloaded his magazine of dimmunition
by McSpeathell October 23, 2010
Get the mug
Get a Dimmunition mug for your fish Rihanna.