It originates from "Doot Doot" by Skrilla [Dec '24], got associated with LaMelo Ball (basketball player), hijacked and force-memed by Taylen Kinney (basketball player, hand gesture starts here) [Jan '25], kids chasing highlight reel clout start doing this at games and Maverick Trevillian (the blonde kid in the memes) gets lucky [March '25]. Full-steam-ahead brainrot evolution from there, memes referencing memes with none of the original layers of context.