It's a homophonic stalk in Naruto. Uchibo milkshake is the homophonic sound of Uchibo's rebound, which was later created as a homophonic stalk by netizen Erchuang, so Uchibo milkshake means homophonic stalk in Naruto. Uchihiro Rebound, the rebound ninja technique used by Uchihiro Shoko Asahara and Datu in Japanese manga Naruto and its derivative works.