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1 definition by legitimacy155

 
1.
Rbl
"Random but legit" - first originated with an infamous Facebook album infamously named: "Random but legit sexiness." The atrocity of this album is so hilarious, that the beginning of the album title has been used by many across the tri-state area. *Note: the origin of the album is New York City.
"HAHAHAHA rbl prostitute" (said in regards to a girl that is dressed like a slut while hooking up with someone)

"rbl mom" (said in regards to a girl that resembles or acts like a mom)
by legitimacy155 May 16, 2010