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A quite catchy expression from florida, and possibly other southern states, used to mean something is good, cool, or generally positive.
Jack: Yo man I won the local lottery...500 dollars!

Smitty: Dat real.
by j tha lady killa August 21, 2009
very true, that there is no doubt whatsoever......
Customer- "when can i expect my delivery.
Worker- "I dont know, I work at Mcdonalds."
Me- "Dat real."
by sugarbear May 22, 2014