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A woman that has a natural rack and juicy thighs.
Hey thickness I need you to pick me up from the airport.

Beyonce, Ashanti, Serena Williams.....
by Mike Mainard January 06, 2005
When a woman has a Huge Ass and Thick body.
David said "That girl got Thickness!"
by Enrique G. August 15, 2006
a plus size bitch
"What did she say? She's a plus size bitch?" "No mom, she's saying she's a boss ass bitch, and she's got da thickness"
by jonsanabria September 17, 2013