rat (
http://definr.com/rat)
n 1: any of various long-tailed rodents similar to but larger
than a mouse
2: someone who works (or provides workers) during a strike
[syn:
scab,
strikebreaker,
blackleg]
3: 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!" [syn:
rotter,
skunk,
stinker,
stinkpot,
bum,
puke,
crumb,
lowlife,
scum bag,
so-and-so]
4: one who reveals confidential information in return for money
[syn:
informer,
betrayer,
squealer,
blabber]
v 1: desert one's party or group of friends, for example, for
one's personal advantage
2: employ scabs or strike breakers in (an industry)
3: take the place of work of someone on strike [syn:
scab,
blackleg]
4: give (hair) the appearance of being fuller by using a rat
5: catch rats, esp. with dogs
6: give away information about somebody; "He told on his
classmate who had cheated on the exam" [syn:
denounce, {tell
on},
betray,
give away,
grass,
peach,
shit,
shop,
snitch,
stag]