Top definition
'Cross Media Bar' a form of interface, that goes across your screen, usually animated.
Sony VAIO laptops sometimes have XMB's.
by q1w2e3r4 July 21, 2008
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2
A poorly made message board system coded in PHP. Known for being notoriously filled with security holes and inefficient coding.
XMB is so bad it makes ezBoard look like a million dollars.
by moi August 24, 2003
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3
aXe My Balls, something people say after they've had intercourse with an animal and need to deodorize them.
Richard: XMB, man, that goat smelled awful
by your face August 01, 2003
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