Any of numerous small rodents of the genera ''rattus'', ''mus'', or various other related genera of the ''Muridæ'' family characterised by a long hairless tail, rounded ears, and a pointed nose.
A nearly omnivorous rodent of the genus ''rattus'' characterised by a long hairless tail, rounded ears, and a pointed nose.
give away information about somebody; "He told on his classmate who had cheated on the exam"
one who reveals confidential information in return for money
any of various long-tailed rodents similar to but larger than a mouse
catch rats, esp. with dogs
give (hair) the appearance of being fuller by using a rat
employ scabs or strike breakers in (an industry)
desert one's party or group of friends, for example, for one's personal advantage
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!"
take the place of work of someone on strike
someone who works (or provides workers) during a strike
a pad (usually made of hair) worn as part of a woman''s coiffure
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''"
catch rats, especially with dogs
employ scabs or strike breakers in
desert one''s party or group of friends, for example, for one''s personal advantage
a pad (usually made of hair) worn as part of a woman's coiffure
a person who is deemed to be despicable or contemptible
