When you are at the beach and you just gotta say something about that girls ass.
Guy 1:nice buns.
Girl: thanks.
Guy 2: what the fuck? That’s my girl!
Uncircumcised dick (penis).
Referring to the foreskin as the bun, the dick inside as the pork.
“Would you fuck him?”
“No, he’s got a porky bun”
The behind of a Bonobo as animal or, more commonly used, as human (see bonobo).
Guy 1: "Have you seen the ass of that bonobo?!"
Guy 2: "You mean the bonobo buns, don't you?"
Guy 1: "Yeah, my bad."
When a mans “thing” is in between a woman’s two front “things”!!!
Or could be a last name of a person.
Unbelievable she gave me a dick bun last night...
A way better nickname for your other half other than "Bae, Boo, honey, sweetie" or anything else that is given to that person whom you love so dearly.
My girlfriend is my apple cinnamon bun, I love her to death.
A secret dwelling (house or apartment etc) that nobody in particular lives in but the rent/bills are shared by a group. The purpose is a safe place to take someone for sex outside of a relationship. Rent, utilities is split up but no one person actually lives there, its only for discrete hook ups.
I have a new side chick, I need to use the bun shack for a few hours this Friday.
Someone who doesn't know his/her way around punctuations
A: Let's eat senpai!!
B: Lol! You are such a dumb bun. You forgot the comma.
A: *evil grin
B: (anxiously) You forgot to put the comma right??