Double Back Jimmy Jack

This is one of the most difficult sexual positions and it's approved by Dr. Falchi as "corona safe" you are back to back doing it - you have to be very flexible.

We did the double back jimmy jack last night and my legs are killing me, I need to do more yoga.

by Vern the Man March 19, 2021

Jack Back

He's basically David Guetta in a nickname

Dude: Do you listen to Jack Back
Another Dude: Who the fekfkekkf is that?

Dude: Bro it's David Guetta!

Another Dude: OOOOOOOOOOHHHHHHH!!!

by MidTRahX_303 May 15, 2023

throw back jack

To pleasure onses self to old pictures of celebrities/porn stars who are currently past there prime.

"She may be ugly now, but I keep some of her old pictures from the 90s for a throw back jack"

by scram.bler January 20, 2015