The phrase “slang for cunning” refers to informal or colloquial terms used to describe someone who is clever, crafty, or sly in their actions. While the phrase itself is not a fixed idiom, it points toward a category of language—slang—that conveys the idea of being shrewd or resourceful, often with a connotation of deception or strategic thinking. Understanding this term involves exploring its meaning, usage, origins, and how it appears in everyday conversation.