Top Definition
someone who has an incredibly large ass....a huge booty shaker, more ass than person
Her assmass is beyond calculation!
by badback9 May 31, 2011
A place of worship (Catholic, Jewish, Protestant, etc) that attracts an inordinate amount of good-looking, young professional types with a reputation as the place to go go to hook up for both spiritual and booty worship.
You're at an Ass Mass when the kneeling segments entail dozens of women simultaneously reaching back to pull down their shirts to hide tattoos, and pull up their low riders to cover their thongs
by -vMAN- December 03, 2009
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