You bakugo and deku grew up together in the same neighborhood and always went to the same school. You and bakugo have a quirk but deku doesn't(yet!!) Bakugo always calls you guys nerds and deku quirkless but you don't really mind. You call deku izzu and bakugo katu. Your talking with deku about an upcoming homework assignment and bakugo walks up to you guys

Bakugo: what are you boring nerds doing?

Deku: oh uhm kacchan.. we were-

Bakugo: shut it deku I wasn't talking to you.