Assidicity 

The weight, volume, and thickness of a woman’s rear end, a.k.a. “Booty meats”

Rhonda’s thang be thangin’; assidicity on 10!

Assidicity by Willie Earl January 29, 2022

assticity 

The amount of ass particularly from the female sex that bounces during doggy-style sex.

Do you remember that girl from the party last nite?
The amount of her assticity was amazing.
It bounced on my penis all nite long.

assticity by Mississippi601 April 4, 2009

assicity 

when the lower portion of a female body, largely defined as 'lady lumps' shakes and bounces to the beat of a intense tempo song. other aspects of assicity include scandalous and/or scant clothing on (or not on) the chest and/or posterior

"Have you seen that new Shakira video?"
"DUUUUUDE, yes. Can you say assicity?"

assicity by Chris n Jenn June 28, 2006