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1 definition by NealRadio

 
1.
Exactly how it sounds. A boot - or possibly a shoe - with a knife protruding from it. The knife may point in any directions, but straight up is preferable. It's origin spawns from the doors in the pirate temple of Majora's Mask. They portray an arm holding a knife, however it has been perceived as a bootknife.
Go headbutt a bootknife!
by NealRadio March 29, 2010