lingo

Synonyms:

argot, cant, jargon, patois, slang, vernacular

Types:

street name

slang for something (especially for an illegal drug)

rhyming slang

slang that replaces words with rhyming words or expressions and then typically omits the rhyming component

Type of:

non-standard speech

speech that differs from the usual accepted, easily recognizable speech of native adult members of a speech community