Katsuki Bakugou from Boku no Hero Academia/My Hero Academia, it's his childhood nickname that Izuku Midoriya (still) calls him.

Ka(tsuki)-cchan

Someone who is possessed by clout chasing. The original human is now gone and a demonic entity that feeds on clout is all that is left. An empty shell with no control of their actions, forced to blindly react to situations they think will bring them attention.

Is a word to call someone if they bring up something embarrassing from when you were five

This is a Japanese word meaning Explosion/Loud. It is also the nickname for the Character Katsuki Bakugou from an anime: Boku No Hero Academia (My Hero Academia). Bakugou's quirk is to let him make explosions from the sweat on his hands. His father's quirk is explosion - which is made from his sweat - is very weak as it has no fuel to power it. Bakugou's mother's quirk is glycerin which will be the fuel to Bakugou's quirk: Explosion. Bakugou is a very explosive person and is usually called this nickname by Deku (Izuku Midoriya)

A nickname provided to the character Bakugou Katsuki from the renowned anime series My Hero Academia.

Bottom, a slut who likes taking things up the ass.

a great king or ruler that also goes by Lord Explosion Murder. His boyfriend calls him “explosion boy.” He’s beautiful in his own...explosive way.