A golf course that takes forever to complete.
I hate the back nine. 2.0 cogs galore, mazes that make no sense, and lots of bugs.
by anonymousclucker July 30, 2018
Reference to the anus in regards to the performance of Anal Sex.
1. I played the back nine with my girlfriend last night.
2. I teed off on the back nine but she kicked me off the course.

by Wes Wylerson April 21, 2006
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 19, 2011
Lost my place in line for following the rules and being polite. back nine
I just lost my place in line for being polite “ back nine
by Stupidwords4people May 11, 2018
The act of having anal sex while on a golf course.
Hey baby, lets go to the golf course and do the Back Nine.
by Golf-Pro641128 February 18, 2010
Getting raped up the ass, non literally, maybe literally.
*Killionaire* Wow, you motherfuckers got raped up the back nine!
by T-painizzle May 11, 2009