When your your ass begins spontaneously sweating, unrelated to heat or exercise. The crack is especially affected.
Mighty fuck, I have the ass sweats, my underwear has reached it's saturation point.
Heavy sweat originating between the ass cheeks.
Look at his pants! He has some major ass sweat happening.
The greasy residue found between your ass cheeks when your first wake up, or finish from a strenuous activity. For really fat people, ass sweat forms even when no activity is being done
Pete Jenkins gets ass sweat when he sits in spanish class
Of the many things that come out of a boy, this is the most delicious
I spent the evening licking up his delicious ass sweat.