This research work explores the linguistic aspects and functional use of Internet slang in English and Uzbek languages. It includes a sociolinguistic analysis, classification, and examination of the impact of Internet slang within social media and modern communication. The study covers phonetic, morphological, and stylistic features, providing valuable insights for learners, teachers, and researchers. The material is based on scientific literature, dictionaries, and internet resources, aiming to support understanding the evolution and role of Internet slang in contemporary language use.