Gaderoids Share definition Flag A very rare STD in which your testicles slowly explode inside of your scrotum over a small period of time; very rare, yet very painful. "Man I hope that bitch didn't give me gaderoids..." Gaderoids by VoidLives23 November 20, 2011 0 0 Get merch Get the Gaderoids mug. Buy Now — $32.95 See more merch