S: (n) street name (slang for something (especially for an illegal drug)) "`smack' is a street name for heroin"
S: (n) rhyming slang (slang that replaces words with rhyming words or expressions and then typically omits the rhyming component) "Cockney rhyming slang"
S: (n) dialect, idiom, accent (the usage or vocabulary that is characteristic of a specific group of people) "the immigrants spoke an odd dialect of English"; "he has a strong German accent"; "it has been said that a language is a dialect with an army and navy"
S: (n) eye dialect (the use of misspellings to identify a colloquial or uneducated speaker)
S: (n) patois (a regional dialect of a language (especially French); usually considered substandard)