Back Nine

The backside of a female.

Bro, did you see the that girl that just went by.

Hell yes, that lady had a fine back nine.

by sanfred January 20, 2011

back door action

Mr. Johnson entered through the "back door" of "her house;" you know; butt fucking

Yo mama gave me some back door action!

by Big Sexy June 13, 2003

back door lovin

Usually a reference to anal sex. Back door, as in the bottom posterior of an individual ( ass ). The door, a reference to an opening. The shortened " loving " term used to create a specific tone refering to sex.

" I'm going in for some back door lovin tonight "

" I got me some back door loving last night "

by Bill Abnovsky August 18, 2006

back down

When you put them in thier place.

When you make a 3 pointer and they are on you real tight, or when you beat someone's ass really hard.

by Kirtus Pittman December 13, 2004

back wheels

back wheels also known as a pair of bollocks or nuts

look at the size of his "back wheels"

by john rawlings September 18, 2004

Back door Tennis

When two men have gay butt sex, so one of them is nice and loose. Then they put there butts together and swap crap in between their butts.

Lets go play some back door tennis tonight.

by ooma90 December 12, 2007

Back Knee

When a person is so fat that the back of their knees look like the fronts of their knees

Dude did you see her back knee?
Yeah man, that shit was gross.

by SeizurgasmDude March 29, 2012