(~s)
Note: The form '~s' is used as the plural for meaning 1; '~' is used as both the singular and plural for meaning 2.
1.
If you call someone a ~, you dislike them or think that they are a bad person, usually because they have behaved unpleasantly towards you. (INFORMAL)
N-COUNT disapproval
2.
A ~ is a pig. (TECHNICAL or OLD-FASHIONED)
...imports of live ~ from Canada.
N-COUNT