Top definition
The highly dangerous sitaution that occurrs when a turd is fighting its way out of your ass and you have to clench your sphincter to keep the crowning fecal matter from becoming one with your drawers
"I got stuck in traffic on the Interstate and had to pinch a loaf, by time I got home I was in full clench mode
by chilly pepper November 15, 2016
Get the mug
Get a Clench Mode mug for your dog Nathalie.