hot dog with a bun 

an uncircumcised penis. (more fun than some people would assume it is)

Daughter 1: "Everything's going fine.. it's just... i think he might have a hot dog with a bun..."
Mom: "...Are you having a picnic?"
Daughter 2: "Mom, no, uncircumcised is back in."
Daughter 3: "You know that guy i dated before Derek, he had a.. hm. and i preferred it, because it was so much more dramatic when it finally made its apperance, you were like, 'whooOOOAAAAaaa!'"

hot dog with a bun by cherry_pie_620 April 13, 2011

Bun 

People in montreal often use the word Bun for smoking weed. Bunning=smoking weed.

"We were bunning huge bats all night long"

"roll up a joint so we can bun already"

Bun by Urban Dictionary October 31, 2004

bun you 

A person who has no more patience for you

"Man bun you."

bun you by Tishia December 9, 2002

bün 

bœyn: vagina. Vietnamese in origin, from a popular food.

Oh, me love bün! Fuckee Fuckee!

bün by Hal Jackson April 25, 2006

bun 

Like ugly or nasty
Another word is butterz

That boy is bare bun!

bun by Cocoablush March 29, 2009

meat to bun ratio 

basically, you have this sandwich, and this really giant ass bun. and when your sandwich is all bun it sucks, so you gotta make sure you have enough meat so your meat to bun ratio works.

those new thin hamburger buns allow for excellent meat to bun ratio

meat to bun ratio by meatatarian August 11, 2010

Iced Bun 

A term used to describe an overly cute person.

'Oh look, it's Joe McElderry off X Factor!'
'JOE!!! You are an iced bun!'
*Nuzzle into his face.*

Iced Bun by TobiasGreenwald November 18, 2009