/slæŋ; slæŋ/
n [U] (abbr sl in this dictionary 本词典中略作sl俚) very informal words, phrases, etc commonly used in speech, esp between people from the same social group or who work together, not considered suitable for formal contexts and often not in use for long 俚语
*army, prison, railway, etc slang 军队、监狱、铁路等俚语
* `Grass' is criminal slang for `informer'. ｀grass＇是罪犯用的俚语, 意思是｀告密的人＇.
* [attrib 作定语] a slang word, expression, etc 俚语词、词语等. Cf 参看 colloquial, informal 3.

v [Tn] (infml 口)
1 attack (sb) using angry, uncontrolled language; abuse 用气愤的、不加控制的语言抨击（某人）; 谩骂
*The driver was slanging a pedestrian who had got in his way. 那司机破口大骂挡他的路的行人.
2 (idm 习语) a `slanging match quarrel in which each person is angry and uses angry uncontrolled language 相互谩骂.

n[U]
very informal, sometimes offensive, language that is used especially by people who belong to a particular group, such as young people or criminals
　schoolboy slang
slang word/expression/term
>slangyadj