A stste reached by a person when he/she is excessively high on drugs such as cocaine or amphetamines, and is unable to stop talking - mainly beavisesque gibberish and to the utter annoyance of the poor individual who has to listen.
Speed freak : blah blah blah blah blah blah blah blah blah blah blah blah ...(mindless on going shit)...

Normal person : "Dude you've reached Beavis Engine ."
by slssfw April 30, 2005
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