- [uncountable]
the waste material that remains after metal has been removed from rock 矿渣;熔渣;炉渣 - [countable] (British English, slang, offensive)
an offensive word for a woman, used to suggest that she has a lot of sexual partners 荡妇;破鞋
Word Originmid 16th cent.: from Middle Low German slagge, perhaps from slagen ‘strike’, with reference to fragments formed by hammering. The verb sense ‘criticize’ dates from the 1970s.