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1.
Slang commonly used to describe something that has been broken, destroyed, or mangled.
I closed the door on my finger, now it's all brux up.

Woah, that chicks face was brux!!
by chieff November 09, 2010
 
2.
to knock seven shades out of an individual, roodboy style
"oi oi, dont fuck about man, or i is brux you up."
by griff July 06, 2003