Open English Wordnet
Nouns
(n)ratany of various long-tailed rodents similar to but larger than a mouse (n)rotter, dirty dog, rat, skunk, stinker, stinkpot, bum, puke, crumb, lowlife, scumbag, so-and-so, git, scum baga 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’” (n)rata pad (usually made of hair) worn as part of a woman's coiffure Verbs
(v)ratdesert one's party or group of friends, for example, for one's personal advantage (v)ratemploy scabs or strike breakers in (v)ratgive (hair) the appearance of being fuller by using a rat (v)ratcatch rats, especially with dogs 