goochin Share definition Flag the act of wiping one's hand between his rectum and gonads after a workout and wiping your scrotal sweat on anothers face. Ah dude, he went goochin after lifting the other day and got her in the face with his slimy hand. goochin by Cooter Pooter May 28, 2009 0 0 Get merch Get the goochin mug. Buy Now — $32.95 See more merch