<Tr> <Th_colspan="2"> Music video </Th> </Tr> <Tr> <Td_colspan="2"> "B.Y.O.B." on YouTube </Td> </Tr> <P> "B.Y.O.B." ("Bring Your Own Bombs") is a song by Armenian - American alternative metal band System of a Down . It was released in March 2005 as the lead single from their fourth album Mezmerize . Like their earlier song "Boom!", it was written in protest against the Iraq War . The song reached number 27 on the US Billboard Hot 100, the band's highest peak to date on the chart . </P> <P> The video for "B.Y.O.B." was directed by Jake Nava . </P>

What does byob stand for system of a down
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