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

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 flan

when you place flans on a person's back and wank onto them until you cum and then they have to eat them

Matthew pulled a Jack back flan on me last night

by cumluvrrrr February 7, 2022