Another name for the Cuban rapper Pitbull.
Pitbull: Mr. 305, checkin' in for the remix!
by angryangry May 27, 2009
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Mr. 305 other wise known as Pitbull. He uses this name to mean Mr. Miami because 305 is Miami's area-code.
Ha, Ha
It's Mr. 305 checkin' in for the remix
(I know you want me: by pitbull

I'm going to Mr. 305's concert. I love his song Hotel Room Service!!!
by bbya June 29, 2010
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A bald creepy white man, most likely from Florida. May look like Pit Bull the rapper.
Call hr, Becky keeps calling me Mr 305 in the company group chat!
by Lilchocolategazelle September 3, 2021
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