What is slang in languages?

Slang refers to informal, often unconventional words or expressions used within a particular group or subculture. It’s a way for people to communicate informally and create a sense of belonging. Slang can vary widely across languages and regions, reflecting cultural nuances and trends. A slang can evolve quickly, and its usage might change over time and across different communities. Slang often reflects the dynamic and creative nature of language, adapting to cultural shifts and societal changes. The popularity and understanding of slang can vary among different age groups and regions. There are a variety of different slang and colloquial expressions across the world.