Used as an adjective to describe something as nasty or disgusting.
Dude, I wouldn't swim in there, that waters scaggy.
by Drew285 November 09, 2008
1 more definition
having the quality of scag; being filthy, disgusting, well-worn and used rubbish
Tiffany is a scaggy looking bitch.
by Wally Petro May 20, 2009