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To see a female derriere and have the emotional response to bit the bottom lip while wearing expensive sunglasses.
*sees picture of a tight female ass*
*puts on expensive sunglasses and bite bottom lip*
by kanye west's sunglasses March 30, 2009
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a phrase that is said when a person has a butt that looks nice & hard to not look at, typically said by guys but can be also said by girls, if they're into that stuff.
Logan:damn delilah! dat ass!
Will:can i get a slice of that?
John:lol you losers go get a gf
Will,Abraham,Logan,Andrew,&Chad: John shut the fuck up!!
Delilah:guy fights... really.
Alyssa: I agree.
via giphy
by a wild bandaid May 07, 2017
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A meme where a pic of Rich Boy (Not Kanye West) is biting his lip and wearing expensive glasses.

It's Rich boy, not Kanye West.
Woman: *Walking in the sidewalk wearing shorts with her ass showing*

Man: Dat ass. 8E
by Miku326 October 04, 2009
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A statement used by men and women when they spot a voluptuous buttocks. A similar phrase that can also be used is 'dat ass doe!'
"Hey dude check out this picture of my boyfriend at the beach"
"Bro those are some nice trunks, but dat ass!!!"
"I know right?!"
by Gogan Heimer May 22, 2014
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A positive vernacular expression used when one sees the buttocks of another,
((usually in a pic posted on an internet board))
Expressing delight and a possible suggestion of sexual interest.
Oh lawd.. dat ass

by Dirkzen February 26, 2009
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When a person (Usually a male) sees a chick's ass that is so big/lusious/awesome/fappable.

To get the best quality, put on expensive sunglasses, bite your bottom lip, and say dat ass.
Friend 1: hey check out that chick over there she has a nice ass!
Friend 2: Dat ass!
by Scout The Hedgehog July 21, 2011
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