When victimized by food poisoning, one needs to put a vomit bucket in front of them while sitting on the toilet, not knowing from which end the next "issuance" (diarrhea or vomiting) will happen, or fear that the thrust from throwing up will cause diarrhea or vice versa.
"After some bad swordfish, I was sitting and playing sphincter roulette in the bathroom for most of the night."
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Rebound effect caused by the rapid, involuntary puckering of the sphincter, reversing the forward momentum of an advancing turd perceived to be a fart
TODD: What is that sick look on your face? Is that panic or relief?
ME: Both bro. Sphincter recoil saved the day!
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The liquid that leaks from your ass when youโve had the runs.
My undies were stained with sphincter punch.
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a nipple who's movement that you can control so much that some people have been known tot tie shoe laces with them
that brother has the biggest sphincter nipple son, i saw him pouring sprite for everyone at the party last night
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The process by which ejaculate is sprayed/ sprinkled by a penis onto an asshole.
That homo is a prime example of a sphincter sprinkler.
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Dave: "Christ Bob what's that smell?"
Bob: "Oh that. I was just airing out the sphincter."
Something you say to someone quickly causing them to say "what?" and then you go "haha you said what so you're a sphincter!"
Teh example is covered above darling
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