by Pussina November 16, 2014
The awful, terrible walk that you during the final steps before a major and unexpected gastrointestinal event. The walk is slow and robot-like, as you must keep your sphincter tightly clenched to avoid disaster. Usually takes place once you've reached your home, or if you are in public the bathroom itself.
"I was speed-walking through the grocery store, and once I found the bathroom my body could sense the imminent relief. I nearly lost it right at the door to the bathroom and had to do the clench robot all the way to the stall."
by Keane Cheese November 17, 2013
a reliable and easy ratio used to measure a man's hottnes based on his ability to clench his jaw. the more a man clenches his jaw before he's about to kiss a girl, the hotter he is. this can be seen in the movie "step up."
by sclurba August 22, 2006
when one sees someone so un-sexually arousing that the tip of the penis literally clenches shut. One assumes this is a natural human reaction to even the slightest chance of sperm leaving the body and finding its way to an egg housed in the object of one's disgust, thus furthering the insult to mankind that is said person.
Guy 1: "dude, that look on your face, are you penis clenching?"
Guy 2: "Check out Nora the whale over by the concessions stand" (shocker)
Guy 2: "Check out Nora the whale over by the concessions stand" (shocker)
by thebiggercat September 12, 2010
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
by lilcjizz January 30, 2019
by Luckylotad March 11, 2019