The expression “dih” on TikTok serves as a verbal filler, similar to “uhm” or “like,” often used to pause during speech, express hesitation, or create a brief moment for thought. For instance, a user might say, “I went to the store, dih, and I bought some milk.” In this context, it’s a non-lexical item, meaning it doesn’t contribute specific semantic meaning to the sentence but functions instead as a pragmatic marker influencing discourse flow.
The prevalence of such filler words in online communication, including on platforms such as TikTok, highlights the spontaneous and often unscripted nature of user-generated content. Their presence contributes to a sense of authenticity and informality, fostering a more conversational tone between creators and viewers. Historically, such linguistic features have been studied by sociolinguists to understand how language use reflects and reinforces social identities and group affiliations. In this digital context, its utilization can signal membership in specific online communities or reflect broader trends in youth vernacular.