The act of lighting ones blunt with his/her mandem with the intention of receiving a drug induced high.
"Do you wanna Bun loud round keith's today mush?"
The act of a white British guy rolling (specifically using a torn off corner of Rizla pack for a roach.) and smoking a joint.
I say! How about we retire to the smoking room for a couple "Damon Al-Bun's" my old chap?
When your wife doesn't have the energy to have sex with you so she lays on her side and lifts her butt cheek.
Uhhh fine, but your only going to get a little courtesy bun.
someone who is poopie and keeps leaving their trail of slime for you to step in and clean up. avoid at all costs
he's such a slime buns
the act of having unprotected anal sex with a female partner.
ya so me and chloe were goin' at it and i ended up bunning her salad.. it was pretty good!