hilux Share definition Flag A very large vehicle to compensate for small genitalia.People think they are Terry-Tuff-Nuts when they drive a Hilux. My name is Andrew, I drive a hilux and I am a poo-pirate with a small penis. hilux by Falcon06 November 30, 2013 0 0 Get merch Get the hilux mug. Buy Now — $32.95 See more merch