What is Back Nine?
1.
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.
See
2.
Getting raped up the ass, non literally, maybe literally.
*Killionaire* Wow, you motherfuckers got raped up the back nine!
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