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Dodge knee is the condition where in gym class you are playing a heated game of dodgeball when a ball is thrown your way. When you try to bend down in order to dodge out of the way, so that your knee contacts the gym floor, you have just given yourself the first-degree burn, dodge knee.
"Hey Killer, what's wrong?"

"My knee kills, i got some wicked dodge knee last period and it still stings."
by The Legendary Ironwood March 15, 2005