Rule 540 Share definition Flag When given the opportunity, you are obliged to engage in sexual intercourse with all nearby cheese graters. "Wow, cheese graters!" "Rule 540, man. Rule 540." "Dammit, Bryan!" Rule 540 by AnonLollipop August 11, 2016 0 0 Get merch Get the Rule 540 mug. Buy Now — $32.95 See more merch
