When you take a poop with someone else next to you, watching you, or just hanging out with you. Buddy poops are done without privacy, in a non sexual way.
by soviet master October 13, 2016
When you have a friend of such great magnitude that he/she will go sit in a stall next to you just to keep you company whilst pooping. This person must also be childish enough to giggle at farts or any other noises that take place during regular bathroom rituals
"Hey Chad, I'm about to poop my pants! Your one my poop buddies so lets find a bathroom fast where I can drop this log and we can continue our conversation while in the bathroom!"
by Poopiepants January 11, 2013