RSL Share definition Flag An abbreviation to the Bajan cuss word “rasshole”. Usually an expression. Said as a reaction to excitement,shock,disbelief or anger. Ohh rsl ! He now hit down hard ya ! Man what de rsl! RSL by Jampuff June 12, 2023 0 0 Get merch Get the RSL mug. Buy Now — $32.95 See more merch