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short for "bash it up your ass"

meaning more or less to go fuck yourslef
timmy: hey johnny you suck at everything you do

johnny: you know what timmy bash it up your ass
by ATHENA JORDISON May 26, 2009
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Sep 6 Word of the Day
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Damn that was a steezy ass kickflip son!
by niggaliciouszor April 29, 2007
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