When one man (or lady with strap-on) has three or more naked women stacked up and willing to take it doggystyle in successive turns by the one man (or lady with strap-on). The result of their positioning, lying on top of one-another, forms a stack of asses known as an ass-stack.
by Beef Nachos January 29, 2014

by cloudstrifexe90 July 05, 2010
