Place it after the nickname reveal in your edit, then follow with a What Da Dog Doin reaction for the confused response, and finish on a Nope cutaway if the victim tries to reject the name.
このサウンドについて
This is a 1.3-second group chant of 'Shark Bait, ooh ha ha' delivered in a quick, punchy rhythm. It feels silly and theatrical, turning a simple nickname into a mischievous little ceremony. It comes from the 2003 Pixar film Finding Nemo, where Nemo is given the nickname Sharkbait.