bun off

A lighter version of the more common "fuck off". Its connotations are more friendly.

"Oh bun off, George"

bunning off

The process of taking an unmanned hotdog bun and filling it with your own meat, then after lubricating with all the necessary condoments, furiously fucking it.

"My girlfriend walked in on me bunning off last night! Nightmare."

Jerk off bun

A group of guys jerk off on a cinnamon bun last one to cum eats it, a Swedish military game

I was the poor basterd that had to eat the jerk off bun.