"Intertextuality" is the overarching idea that all texts and conversations are linked to other texts and conversations, and that people create and infer meanings in discourse through making and interpreting these links. Intertextuality is fundamentally connected to metadiscourse; when a person draws on or references one text or conversation in another (intertextuality), they necessarily communicate something about that text or conversation (metadiscourse). Whilescholars have long recognized the interrelatedness of these two theoretical concepts, existing studies have tended to focus on one or the other, leaving underexplored the specific ways in which these phenomena are intertwined at the micro-interactional level, especially online, and for what purposes.This interactional sociolinguistic study contributes to filling this gap by demonstrating how specific intertextual linking strategies, both linguistic (e.g., word repetition, deictic pronouns) and multimodal (e.g., emojis, symbols,
