Pithism 

A short curt statement cleverly designed to get under a person's skin.

Your pithism has no teeth in it. If you don't quit lisping, you are really going to piss me off.

Pithism by Blue Ridge Bubba August 26, 2009

pithium 

an element essential to a person's sense of humour

My friend Dave Letterman was diagnosed with a low pithium count. we wish him a speedy recovery and may his jokes improve

pithium by markokenya November 3, 2014