winklemouse Share definition Flag A hallucination while high. Can be very friendly, before you actually realize it's not a real object or animal. Guy1:Dude, It's a winklemouse.. Guy2: No more bong hits for you. winklemouse by Dragonite's HyperBeam August 3, 2007 0 0 Get merch Get the winklemouse mug. Buy Now — $32.95 See more merch