Butt Spiders 

Another term for an itchy sphincter. Can be caused by remaining "butt particles" i.e. failure to clean properly or by the onset of hemorhoids. May also be caused by sand, dirt, etc. in underwear.

After sitting at the beach for hours, she felt like she had butt spiders making a nest on her bunghole.

Butt Spiders by wifflebird April 23, 2008

Butt Spiders 

A form of diarrhea in which you crap liquid crap containing spiders (living or dead.) of no certain species.

also spelled buttspiders

Tanner: Dude who in this house is crapping spiders!?

Ryan: Yeah, whoever it is, get out! We don't want you giving us Buttspiders!

Nick: Well it's not me! I know I don't have Butt Spiders.

Butt Spiders by .Tanner Linares. January 3, 2011

Butt Spider 

a hair-filled piece of ass lint

Who put this fucking butt spider on my pillow!?

Butt Spider by Tango Golf July 7, 2008

Butt Spider 

When you pull a small dingleberry out and you pull out your ass hair with it, making it look like a small spider.

"Dude, I pulled out like two butt spiders today. I need to clean my ass."

Butt Spider by Captain J Whizz August 27, 2013

butt spider 

shit balls pulled away from the anus as interwoven with anal hairs. resembles spiders, dingle berries with hair pulled away from the ass.

dude, I was pulling butt spiders off my ass.
what a butt spider.

butt spider by mark h July 10, 2003

butt spider 

Refers to a now-infamous email prank about spiders hiding under toilet seats, waiting to bite and kill you.

Beware the "Arachnius gleuteus," or butt spider!

butt spider by Seer of Shadows November 12, 2004

Butt Spider 

A butt spider is what a clenched anus looks like when one tries to keep from shitting his/her pants.

Where's the bathroom, man? I've got a butt spider crawlin' around on my ass, I've got to take a shit so bad.

Butt Spider by Bumblebug August 10, 2006