This paper, Temporal Disruptions and Radical Futurism: Mapping Lesbian Agency through Ancestral Dialogues in Black Bull, Ancestors and Me, examines how Nkunzi Nkabinde’s memoir harnesses nonlinear temporality and speculative futures to craft a distinctive form of lesbian self-making. Through close reading and thematic analysis of pivotal ancestral encounters, informed by recent scholarship on African sexualities, speculative archives, and digital ethnography, it demonstrates how temporal ruptures—moments where past, present, and future converge—destabilize normative chronologies and unlock imaginative emancipatory possibilities. By situating Nkabinde’s narrative in dialogue with queer temporality frameworks (Freeman) and utopian visions of queer futurity (Muñoz), this study reveals ancestral voices as both repositories of cultural memory and catalysts for radical futurism, creating spaces where lesbian agency thrives beyond colonial and heteronormative constraints. These ancestral dialogues disrupt teleological progress narratives, forge alternative genealogies, and cultivate a future-oriented resistance that is both spiritual and political. This research enriches African queer studies and temporal theory by illuminating the interplay of memoir, ancestral practice, and speculative imagination, offering fresh perspectives on how embodied narratives reshape theoretical understandings of queer time, futurity, and agency. Ultimately, it underscores the transformative potential of ancestral connections in reimagining queer African identities within and beyond the constraints of modernity. (Nkabinde; Muñoz; Freeman).