Sickening birder Share definition Flag A male that takes down women for fun, who's way with the opposite sex is unrivalled by his peers. Did you hear Jarv shagged 4 women last week. He's a sickening birder. Sickening birder by Le B3ar November 16, 2011 0 0 Get merch Get the Sickening birder mug. Buy Now — $32.95 See more merch