Menthol Milkshake Share definition Flag The act of performing sex by placing ones penis between the female breasts with Vicks vapor rub as lubrication . I gave Jessica a Menthol Milkshake and a pearl necklace to boot. Menthol Milkshake by Carlos Lobo August 8, 2010 0 0 Get merch Get the Menthol Milkshake mug. Buy Now — $32.95 See more merch