Rule 10101 Share definition Flag If it's a turtle it's a Squirtle. Person1:"Dude, that turtle just sprayed water at me!" Person2:"Dude, rule 10101." Person1:"Oh." Rule 10101 by High Prohphet Brian August 14, 2009 0 0 Get merch Get the Rule 10101 mug. Buy Now — $32.95 See more merch