A sickness that occurs when one is apart from their butt buddy for more than three months. Symptoms include but are not limited to depression, tears, anger, nausea, insomnia, and explosive diarrhea.
Oh man, I haven't seen Sam in a while, I think I'm developing Butt Buddy Withdrawal Syndrome (BBWS), cause I blew up my toilet the other day
by Dewlong May 20, 2014

A specific person in life that someone has anal sex with. This anal sex is done ferociously and with great confidence.
by Dr. Nipples October 13, 2013

Butt cheek buddies are good friends who even though some shit sometimes comes between them, they always come back together.
Friend 1: You know, sometimes you really have your head up your ass.
Friend 2: Yeah, I know. You want another beer, butt cheek buddy?
Friend 2: Yeah, I know. You want another beer, butt cheek buddy?
by Woodmont Willie July 3, 2010

by iBran September 3, 2016

When you go to Taco Bell (or other diarrhea causing fast food) with a buddy on a hot day. Eat way too much and wait for you and your friend to get the sweaty, poop filled, "Bayou Butt". Then you go to town to clean each other with your tongue. You are now Bayou Butt Buddies.
Hey bro you hungry enough to go to Taco Bell and become my Bayou Butt Buddy after we're done at this orgry?
by UrbanSnifferShmello August 27, 2025

When you and someone else have shared the same toilet, therfore you have touched butts and you now have to call eachother butt buddy
by little_kid_lover1 April 14, 2020

by butt buddies August 10, 2023
