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2.
argue, call names
This kid was slaging me off so i decked the cunt
by gav November 14, 2003
 
1.
To verbally attack, using disparaging terms.
He.was.slag.ging.me.off.in.the.bar.so.I.beat.him.and.fucked.his.bitch.har.har.har.


YEAH YEAH YEAH
by Kung-Fu Jesus April 30, 2004
 
3.
Another term for "shut the fuck up" or "shut your fuckung mouth".
Jack was boulshitting all the day, so I asked him to slag off.
by Al April 10, 2005