It's when someone goes down holding his ankle & his foot is pointing in the wrong direction. Happens about once every 2 1/2 years.
You'll be like, "Holy shit! His foot is all bent sideways!" and he'll be like, "Aghhhhh! My fuckin' ankle!!!", and I'll be like, "see, that's Mookfoot"
by Moges February 6, 2014
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