n.

informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar

"their speech was full of slang expressions"

同義詞：slang expressionslang term

a characteristic language of a particular group (as among thieves)

同義詞：cantjargonlingoargotpatoisvernacular

Stylistic Study of English Slangs
AN ANALYSIS ON SLANGS IN THE MOVIE “THE LONGEST YARD”
The Trace of Times in Australian Slangs
On the rhetorical devices use of Slangs “xiehouyu”
On the Problem of Secret Languages and Slangs in Iran
Social Cultural Psychology Reflected in American Slangs
Detection and scoring of Internet Slangs for sentiment analysis using SentiWordNet
Comon Characteristics of English and Chinese Slangs with Their Shared Cultural Features
Development and Evaluation of a System for Normalizing Internet Slangs in Social Media Texts
Emotion estimation from sentence using relation between Japanese slangs and emotion expressions