Butt Worm 

Sticking ones finger in the anus of another while they walk up the stairs. Usually accompanied by a wiggling motion and shouting "Butt Worm!"

I was walking up the steps and my girlfriend totally Butt wormed me!

Butt Worm by Capt. Josh January 4, 2011

butt worm 

A Butt Worm (or pinworm) is a parasite often found in feces, and the eggs can be spread about very easily upon contact. Having Butt Worms often leads to itchy/crawly sensations

It's a good thing I don't work in the stables, I don't wanna get any butt worms.

butt worm by Gary K. June 12, 2008

Worm Butt 

When you see something that scares or disgusts you so much... that you clinch your buttcheeks so tightly, that not even a worm could get inside.

That new Nitemare on Elm Street movie gave me worm butt!

Worm Butt by Brownie ESQ July 9, 2010

mexican butt-worms 

Mexican butt-worms are what you pick up in mexico after eating from a taco cart or tamale stand that is less than sanitary. They are also different from other butt-worms because they wear sombreros.

Did you hear about Steve's trip to Tijuana? He got a bad case of the mexican butt-worms after eating at a filthy taco stand.

mexican butt-worms by Weslitzu December 30, 2013

butt worms 

n. worms, normally nocturnal in nature, that enter and exit through the anus

Last night my butt worms peeked out to say hello.

butt worms by Allen Schmidt May 8, 2003

Buttworm

A recently discovered parasitical worm. Closely related to heartworms in dogs, it lives similarly but in the rectum of humans. Where its habit of multiplying until there are so many worms they block passage of stool, a necessary occurance for successful buttworm breeding. As the turds get jammed in the colon, the buttworm releases various rapid-acting enzymes and bacteria that rapidly turn the fudgepack directly into high pressure gas, often in seconds. The high pressure gas can be released in a lethal explosion capable of knocking individuals several feet off the ground. When that has happened, Individuals caught unaware have been knocked out upon falling back awkwardly to the ground due to knocked senseless by the initial buttblast. The buttworm uses these ass-ripping blasts to spread its airborne larvae. Microscopic, it is breathed in. A brief rancid taste is the only sign this is happened. Once in the body, the larval buttworms migrate to the rectum to repeat the cycle anew.

Jessica lay lifeless. Her distended, exploded anus was all the medical investigator needed to determine she was yet another victim of the rapidly spreading buttworm.

Buttworm by Johnnyincentx May 17, 2006

Buttworm

A recently discovered parasitical worm. Closely related to heartworms in dogs, it lives similarly but in the rectum of humans. Where its habit of multiplying until there are so many worms they block passage of stool, a necessary occurance for successful buttworm breeding. As the turds get jammed in the colon, the buttworm releases various rapid-acting enzymes and bacteria that rapidly turn the fudgepack directly into high pressure gas, often in seconds. Individuals caught unaware have been found stunned senseless by the sudden ass-ripping blasts the buttworm uses to spread its airborne larvae. Microscopic, it is breathed in and quickly migrates to the rectum to repeat the cycle anew.

Jessica lay lifeless. Her distended, exploded anus was all the medical investigator needed to determine she was yet another victim of the rapidly spreading buttworm.

Buttworm by Johnnyincentx May 17, 2006