What is Man-back?
1.
When you are fucking a girl doggie-style and her back is hunched over.
Steve: Hey, I heard you fucked Diane last night.
Ted: Yea I was hitting it
doggie but she had man-back and it really turned me off.
Steve: That sucks, my girl arches it perfectly.
See
Random Words:
1.
when your having sex with a girl that is soo skinny that you can see the shape of your dick moving inside them because it protrudes out ..