Sphincterless Shit Cannon 

Someone who spends the majority of their workday clogging up the toilet and consistently smells like ass. Someone who who shits every hour on the hour, has no intestine, just a shit tube running from their throat to their ass, has been known to shit watermelons and small marsupials.

Man don't go into the bathroom, Jonathan has been acting like a Sphincterless Shit Cannon.

Sphincterless Shit Cannon by cuddlefinger November 15, 2011

Sphincter Scale 

Some people are very {uptight}. They are tense, anxious and often very controlling or argumentative. What's important is their effect on other people. People's blood pressure goes up. Conflicts arise. Uptight people high on the sphincter scale cause are so tight in their rear-ends, that they cause tremors wherever they go.

She'll probably ruin the party because she's so uptight. She's a 10 on the Sphincter Scale

Sphincter Scale by Chris Rickety Spritz March 24, 2017

sphincterized 

Uptight, reserved, unable to let loose. The epitome of anal-retentive. Like a bag with a drawstring pulled tight.

Christy's sphincterized book bag contained three copies of poetry by T.S. Eliot.

sphincterized by Noir September 6, 2005

Sphincter Factor 

noun (slang); An allusion to the Richter Scale which, instead of measuring seismic activity, quantifies the magnitude of undesirable aspects. One of many colloquialisms used to define this magnitude (synonyms: suck-o-meter, dick meter, fail scale, et al).

"I give this whole thing a Sphincter Factor of about 9.5!" -- 'Hippy' (Todd Graff) in The Abyss (film, 1989, dir. James Cameron). Possible origin.

Sphincter Factor by Rancorr Blackmane August 5, 2009

sphincter 

ring-like muscle found in the anus

From the South Park song "Mr. Hankey the Christmas Poo"
and won't fall in the toilet
coz he's just clinging to your sphincter
and he wont drop off and so you
shake your ass around and try to get it to drop in the toilet
and finally it does

sphincter by The Real Izzy December 28, 2005

sphincter gnome 

The gnome that lives just beyond the outer rim of your sphincter. It lives off of feces and the occasional corn chunk with are considered delicacies among all gnomes.
Every night sphincter gnome has been known to crawl out of your rectim and slap your testicles or tickle your gouch. Human flatulance is also a direct result of the sphincter gnomes growls. These growls are caused because the sphincter gnome tends to get alittle territorial when it sees a large peice of shit crushing its living room.

"god damn-it, my fucking sphincter gnome just bite my penis!"

sphincter gnome by truth teller never lie2 September 5, 2009

sphincter pudding

Feces with the consistency of pudding, Also, a queer's favorite desert, especially after a main course of semen.

Lee, you fag! Is that sphincter pudding all over your face???

sphincter pudding by Billy B November 10, 2008