A phrase used to call attention to a woman whom is notable for looking attractive or just plain skanky.
<young woman comes up to the bar>
your asshole friend: "Hey, yo who dat bitch?"
by my_real_name August 18, 2009
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A Die-Hard Who Dat is someone that shows extreme, absolute or complete loyalty for the New Orleans Saints even when they are playing like they did back in the 80's. A Die-Hard Who Dat could also be someone who is a member of The Big Easy Mafia fan club, where "Once You're In..... You're In For Life"
The Superdome is filled with Die-Hard Who Dats. They are the only ones who would show up with them playing like this.
by NOLAmayor October 13, 2015
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Normaly asked when questioning some one at the front door or on the phone.
George: Did you hear the door bell ring?

Adam: Ya, who be dat?
by Digger September 3, 2005
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a phrase used to express confusion

origins: young african american women
"who baby dat?"(said in sassy tone while trying to determine ownership of a baby)

"The other day my math teacher asked me if I knew how to computer the volume of a cube and I was all like, "who baby dat?"
by gremlin1122 August 21, 2006
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This was a definition that I tried to make seconds after the blown call in the 2019 saints game. The editors of urban dictionary being dick bags somehow rejected this definition. Fuck you
Who dat gonna cheat dem saints the refs
by JoelTeetons June 20, 2023
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