A Sam Knott Share definition Flag when a man's penis becomes stuck in his partners anus during a Party and play crystal meth orgy. At the party last weekend I got a sam knott with this guy, it stung so bad the nexy day A Sam Knott by PoppaHut January 20, 2013 0 0 Get merch Get the A Sam Knott mug. Buy Now — $32.95 See more merch