UA was holding a camping trip in a few weeks so they were holding an assembly to educate the students that were going.

Bakugo: "HEY! Shitty hair! Bug eyes! Cutton ball! Sparky! Tape arms! Get your asses here I'm having you in my group!"

He was pointing to you, Kirishima, Mina, Denki and Sero.

You were 'cutton ball', according to Bakugo. Connected to you beeing soft.