Ass-to-Ground.

A phrase commonly used in weight-lifting to describe the proper form of squatting. Keeping your chest up and dropping your ass to the ground.
Guy 1: "Damn, look at that girl with the big booty doing squats!"

Guy 2: "She's going A2G!!!"
by CalomasStralores February 26, 2014
Get the a2g mug.