A kind of language occurring chiefly in casual and playful speech, made up typically of short-lived coinages and figures of speech that are deliberately used in place of standard terms for added raciness, humor, irreverence, or other effect.
Language peculiar to a group; argot or jargon: thieves' slang.
v.
slanged, slang·ing, slangs
v.
intr.
To use slang.
To use angry and abusive language: persuaded the parties to quit slanging and come to the bargaining table.
v.
tr. To attack with abusive language; vituperate.
[slang-ee] 
i