1. a person who is deemed to be despicable or contemptible;
"only a rotter would do that"
"kill the rat"
"throw the bum out"
"you cowardly little pukes!"
"the British call a contemptible person a `git'"
2. a defeat in a game where one side fails to score
3. street names for marijuana
4. American musteline mammal typically ejecting an intensely malodorous fluid when startled; in some classifications put in a separate subfamily Mephitinae