Adj. Men or women who look greasy and have bad teeth in particular, and bad hygiene and dirty or ripped up clothes, in general. They sleep with everyone they can possibly get and probably carry STDs.
Aye mates we got scurvy from not eating citrus but look at us today whilst times have changed we still have cack teeth. Must be all that tea and cultural neglect of orthodontics. Right, I'm off. Tally-ho!