Definitions by Buck Goodrich

Stacking 

A male having sexual intercourse with two (or more) women "stacked" on top of one another. Possible positions include one woman on her hands and knees with another woman lying atop her on her back, or multiple women "stacked" doggy style.

"Did you see that hung stud stacking his bitches?! Damn!"

Stacking by Buck Goodrich September 10, 2008