KNOWLEDGE DECODER on Instagram: "- The post shares a 30-second video compilation of Black teenagers executing backflips on a school basketball court, with the caption praising a "guy in black t-shirt" for a perfectly timed flip that stands out amid the group's energetic attempts.- Replies spark humor through puns on "black t-shirt," playfully noting the absence of literal black shirts while nodding to the participants' ethnicity, turning the clip into a meme about clever wordplay.- Posted in Aug