A booty so voluptuous, it requires both your hands and his/her hands to spread/grip.
May require another persons assistance.
Measure of booty girth.
This quadruple grip ass requires 4+ hands to handle properly.
An ass that requires both your hands and one of hers/his, or a strangers.
A measure of girth of dat booty.
Bro, who cares about that double grip ass, I just saw a triple grip ass, wanna help?