Mata leão, meaning 'lion killer' in Portuguese, is a strangle or choke-hold in Brazilian Jiu Jitsu.

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Matrix Fight Night - A triangle with a stronger meaning! A choke hold that strangles the opponent by encircling the opponent's neck and one arm with the legs in a configuration similar

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Harrisburg Brazilian Jiu Jitsu and Judo, L.L.C. - Mata Leão, meaning 'Lion Killer' in Portuguese, is the name of a popular choke-hold in Brazilian Jiu Jitsu. This same position is named Hadaka

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Shocking video shows vagrant being choked to death on NYC subway