[mass noun]a type of language that consists of words and phrases that are regarded as very informal, are more common in speech than writing, and are typically restricted to a particular context or group of people 俚语 grass is slang for marijuana. “grass”是“大麻”的俚语。 army slang. 军俚。
verb
[with obj.](informal)attack (someone) using abusive language (非正式)辱骂,漫骂(某人) he watched ideological groups slanging one another. 他观望着不同意识形态的团体相互辱骂。