Definitions by ur2ndCousin

RSK 

An acronym for “Realest Since Kumbaya” which, itself, is a reference to the song Killa Cam by Cam’ron.

This term of endearment typically refers to someone who is, or something which is, authentic, unwavering, selfless and dependable.

“Damn, pops always been RSK bro.”

RSK by ur2ndCousin July 12, 2021