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1.
Exercise geared towards women with no ass, to increase the size, or one with an out-of-shape ass, to tighten it up.
Her ass is drooping bigtime; she needs some assercise.

My ass is totally flat, but look at her! Could I get an ass like that if I did some assercise?

He is so bony. Dude could use some assercise.
by BlueNinja October 31, 2007

Words related to assercise

arse ass butt cheeks rump assless booty bottom flat no ass
 
2.
A form of exercise especially geared towards women with big butts.
Geez, her butt is huge. She can really use some assercise.
by blueguitar69 August 15, 2007