A medium-sized rodent belonging to the genus Rattus.
Any of the numerous members of several rodent families (e.g. voles and mice) that resemble true rats in appearance, usually having a pointy snout, a long, bare tail, and body length greater than about 12 cm, or 5 inches.
A person who is known for betrayal; a scoundrel; a quisling.
What a rat, leaving us stranded here!
An informant or snitch.
A scab: a worker who acts against trade union policies.
A person who routinely spends time at a particular location.
He loved hockey and was a devoted rink rat.
A wad of shed hair used as part of a hairstyle.
A roll of material used to puff out the hair, which is turned over it.
Vagina.
Get your rat out.
Short for muskrat.
(usually with “on” or “out”) To betray a person or party, especially by telling their secret to an authority or an enemy; to turn someone in.
He is going to rat us out!
To work as a scab, going against trade union policies.
(of a dog, etc.) To kill rats.
A scratch or a score.
A place in the sea with rapid currents and crags where a ship is likely to be torn apart in stormy weather.
To scratch or score.
He ratted a vertical line on his face with a pocket knife.
To tear, rip, rend.
Ratted to shreds.
Damn, drat, blast; used in oaths.
A ration.