who dat 

A term New Orleans Saints fans use that was stolen from the Cincinnati Bengals who dey chant and changed slightly by unoriginal and lame fans.

A short history of the 2 chants:

1930s: Who Dat used in cartoons completely unfootball related.
1981: Bengals fans create Who Dey chant during Super Bowl season.
1982: LSU starts Who Dat chant in imitation of the Bengals chant.
1983: Saints steal Who Dat chant from LSU.

1. Anybody that claims the Saints used "who dat" before the Bengals used "who dey" is ignorant.
2. Who Dey > Who Dat
3. Bengals > Saints
4. The Saints should create their own chant instead of stealing another teams.

who dat by CincyBengalsWhoDey September 28, 2006

who dat 

Originally used by African American men between the age of 16-30, this phrase is now used by caucasians of the same age group.

-Often used to question the identity of a person.

(on telephone)
Person A: Hey Zambo, what's up?
Zambo:Who dat?

who dat by Mike December 1, 2004

who dat 

Slang for "who's that".

"Yo... Who dat ah ring me bell, star?"

-- Little Jacob, 2008.

who dat by AtlanticComputer September 14, 2020

who dat 

"Who is that"?

Who dat? I've never seen her before.

who dat by Thundernut Williamson July 10, 2022

Who Dat? 

Is a line made famous by Fats Waller in the 1920s. Fats was a Jazz performer mostly known for his renditions of: "Ain't Misbehavin'," and "Honeysuckle Rose."

Fats: "Who dat?"
ECHO: "Who dat?"
Fats: "Who dat say who day when I say who dat?"

Who Dat? by jbdean August 17, 2010

who dat? 

ebonics for "Who is that?"

Spoken by those of the inner-city. They normally always ask, "Who dat?" before answering the door in case its the MAN.

knock, knock.
Who dat?

who dat? by philly64 September 3, 2006

Who Dat? 

a complete and utter disregard for proper english and respect to the National Football League and its teams. The full phrase is "Who dat said dey gonna beat dem saints?" Its is mostly used by africans and uneducated white folk due to its broken and ebonized dialect.

I believe "Who Dat?" should be banned from the NFL.

Who Dat? by guesswho1017 April 11, 2010