grunkous Share definition Flag A word used to describe someone who is being a raging homosexual. Also used as a derogatory term to describe a lardass. Damn Connor is being so grunkous right now. I just want to slap his whiney moobs. grunkous by Lince Dorado March 15, 2014 0 0 Get merch Get the grunkous mug. Buy Now — $32.95 See more merch