RNGerker Share definition Flag A person who is masturbating and may or may not accomplish the given task at hand. "Diane the redheaded ninja was told by Sir Krusty of Lansbury that their mutual friend Jarhead the Juggalo was a RNGerker." RNGerker by KrustyRacker March 9, 2019 0 0 Get merch Get the RNGerker mug. Buy Now — $32.95 See more merch