David smallwood's definitions
When your in a hurry(whether it be to get back to video games, dinner, or bed) and you push to hard while peeing, coincidentally shitting your pants.
I heard David in the bathroom at lunch. He was pushing so hard peeing I thought he was going to shiss!
by David smallwood February 4, 2015
Get the Shissmug. Did you hear David in the bathroom? It sounded like Beethoven conducting in there! He was shitting a symphony!
by David smallwood February 23, 2015
Get the Shitting a Symphonymug.