Genitalia area. Referring to primarily the penis. Usually said while pointing to or suggesting towards the crotch.

Made famous on American Dad by Stan.
"Maybe tonight I'll introduce her to THE THICKNESS!"
by xCosmicWizardx February 9, 2012
When i give your mom the THICKNESS!!!! mean i give her a hot dicking
dude i set that bitch down...

dude i set your mom down on the THICKNESS!!!!!
by bigg willie January 24, 2012
A term used to describe someone with a very attractive, meat-on-the-bones type of body alongside a pitiable stupidity.
Yes, both fortunately and unfortunately, my girlfriend is the winning poster girl for thick-thick.
by Dr Bunnygirl September 1, 2019
You just thicked me jackass
by Burdi February 3, 2018
When your friend thinks hes better than he is, and ends up fucking over the whole squad.
"Bro, that asshole just Thicked us."
"Let's ban him, then kill him"
by Eachmedal7 March 14, 2020
nice ass, nice legs, not skinny, with meat on your bones. thickness is the shit.
Damn that girl is thick yo!
by Bryant May 12, 2002
A woman with a perfect body, filled-in in places that are, by nature, designed to attract the opposite sex, such as the thighs, the hips, the breasts, and the most lovely part of all, the booty.
by DRay October 21, 2004