This scientific article examines the linguistic and socio -cultural influence of the English language on the modern Uzbek youth jargon through a sociolinguistic approach. The main objective of the study is to identify how English words and expressions are being integrated into the speech of Uzbek youth, to explain their semantic, structural, stylistic features and to evaluate both the positive and negative consequences of this process. The study sets out to explore the frequency of usage, semantic load, sociocultural impact and phonetic and morphological adaptation mechanisms of commonly used English linguistic units.For the research, a survey was conducted among 51 respondents aged 11 to 35 from the cities of Tashkent, Andijan, Termez, Navoi, and Fergana. In addition, over 40 posts and comments from Instagram which is a widely used social network by Uzbek youth were analyzed. The research employed empirical observation, sociolinguistic methodology, content analysis, and theoretical interpretation methods.The resultsreveal that globally used English lexical items are actively utilized among Uzbek youth to show modernity, emotional expression, linguistic economy, and social identity. Words like “like,” “chill,” “relax,” “bro,” “sorry,” and “repost” are being inc orporated into everyday speech with minimal phonetic modification. At the same time, this process is found to potentially disrupt the norms of the literary language.The article emphasizes the importance of analyzing these linguistic innovations and maintai ning a balance without denying the introduction of new words. In conclusion, the influence of English on Uzbek youth jargon is closely linked to globalization, technological advancement. While such borrowings are considered as linguistic enrichment, the ne ed to preserve national language and culture remains crucial. Therefore, it is an important responsibility of the state to formulate language policy, monitor this process and develop Uzbek equivalents for those English words. Phonetic adaptation, globalization, English, linguistic degradation, morphological adaptation, youth jargon, linguoecology, neologism, modern appearance, language policy.