[DOC] [TLE] 31 Old Timey Slang Terms for "Informant" | Mental Floss [PAR] Mar 14, 2014 ... We've used the term rat to refer to an informer since approximately 1910. But 
criminals ... It was common slang by 1890, as noted in Farmer & Henley's Slang 
and its Analogues. 7. Cabbage ... Conk was obsolete by 1900. 13. [DOC] [TLE] American Slang Terms of 1900-1910 - A Historical Dictionary of ... [PAR] 1900s; butterflies in the stomach. ( n ) Fearfulness ... 1900s; rat. ( n ) An informer, 
a tattle-tale. ..... ( n ) The end. If we don't win this game, it's curtains for the coach. [DOC] [TLE] A Historical Dictionary of American Slang - alphaDictionary.com [PAR] 1900s; butterflies in the stomach. ( n ) Fearfulness ... 1900s; rat. ( n ) An informer, 
a tattle-tale. ..... ( n ) The end. If we don't win this game, it's curtains for the coach. [DOC] [TLE] Glossary of Slang and Peculiar Terms in Use in the AIF - Australian ... [PAR] This is followed by some additional information explaining the word and its 
context. ... perhaps a new coinage, based on 'jam tart', rhyming slang for '
sweetheart' (AND). .... gambling game with special cards and checks' and dates 
back to at least 1900. ... 'Dog' meaning 'an informer, a traitor' is of US origin, and 
in Australian... [DOC] [TLE] Informant - Wikipedia [PAR] An informant (also called an informer) is a person who provides privileged 
information about a ... By its very nature, organized crime involves many people 
who are aware of each ... "Singing" is underworld or street slang for providing 
information or talking to the police. dog .... Studies in English Literature, 1500
1900, 1985. [DOC] [TLE] A dictionary of slang - "N" - English slang. - Peevish Web Design [PAR] Possibly the most popular FREE slang resource online, listing current English ... 
An informer, particularly a police informer. ... Not from narcotics agent, a mid 
1900s job and title, as often mistakenly ... E.g."Put your coat on Billy, it's nesh 
outside. [DOC] [TLE] What is the slang meaning of nark , slang definition of nark , nark is ... [PAR] An informer, particularly a police informer. ... Not from narcotics agent, a mid 
1900s job and title, as often mistakenly ... It's also the word for a spy or informant. [DOC] [TLE] Grassed Up | Q&A about words | Wordsmith.org [PAR] A nark is British slang for an informer - a shortening of copper's nark. .... "Gussied 
up" is a horse of a different color, however, and I think its slightly ... is Australian 
slang for an effeminate man, dating back to the early 1900's. It's... [DOC] [TLE] Snitch | Define Snitch at Dictionary.com [PAR] 1900-05; perhaps variant of snatch ... Also called snitcher. an informer. ... "
informer," 1785, probably from underworld slang meaning "the nose" (1700), 
which apparently developed ... What mistaken pronunciation gave this character 
its name? [DOC] [TLE] Informer - definition of informer by The Free Dictionary [PAR] Define informer. informer synonyms, informer pronunciation, informer ... nark (Brit.
, Austral., & N.Z. slang) two men suspected of being police informers ..... but sharp 
look of the hunter; the informer gets half, II believeyes, I guess it's half. [DOC] [TLE] Full text of "A dictionary of slang and colloquial English" [PAR] 1 voL SLANG AND ITS ANALOGUES. By John S. Farmer and .... 1900. FARMER, 
JOHN S. vocabulary of their Language (Rotwdeche Sprach) ; edited, with preface
, by Martin Luther, in the year 1528. ... A thief turned informer ; a snitcher (q.v.). [DOC] [TLE] Police informer Synonyms, Police informer Antonyms | Thesaurus.com [PAR] Synonyms for police informer at Thesaurus.com with free online thesaurus, 
antonyms, and definitions. Dictionary and Word of the Day. [DOC] [TLE]

Question: 1900: It's slang for an informer
Answer: a rat