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A piece of beef used as a shield to defend ones self against predators and robots.

Also a word frequently written on school whiteboards, usually in a heart or written as “I love beef shields”.
Man 1: ahh my penis is exposed to that deadly robot
Man 2: here use this beef shield
Man 1: *covers penis with a sloppy beef shield*

by pixie meat March 25, 2007
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