Definitions by Jayden Bronson

bun 

A bun refers to a person who is bisexual who both pitches and catches, referring to the fact they can be top or bottom much like how the bun is a top and bottom of a sandwich.

Person 1: Tom and Sam both have great butts!

Person 2: Wow, dude, you're such a bun.

bun by Jayden Bronson February 18, 2018