Another name for the Cuban rapper Pitbull.
Pitbull: Mr. 305, checkin' in for the remix!
Mr. 305 other wise known as Pitbull. He uses this name to mean Mr. Miami because 305 is Miami's area-code.
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!!!