The fandom doesn’t take advantage of Bakugou and Midoriya being childhood friends other than the romantic trope. So I’m going to put down some real life examples of my interactions with some friends that I have known since 2nd grade that I can totally see happening between them.
Bakugou: You son of a bitch
Midoriya: how dare you my mother is a great person
Bakugou: you’re right and I’m sorry. Your mother is a lovely person.
Midoriya: I never want to hear about my bad taste again. You legitimately liked the new movie when it came out
Bakugou: Fuck you I was three. I saw you snort pixie sticks yesterday
Midoriya: and? I saw god that day
Bakugou: Bitch you just had a sugar high. Shut the fuck up.
*Bakugou wearing five layers when it’s 50 degrees*
*Midoryia wearing shorts and a short sleeve t-shirt*
Midoriya: why are you wearing so many layers? It’s not even that cold.
Bakugou: Shut up. I’m cold and not losing a limb because of frostbite.
Midoriya: I don’t think that is poss-
Bakugou: when your arm falls off because it freezes if I’m going to pick it up and beat you to death with it
Midoriya: So how are we going to get in?
Bakugou: climb the fence, duh
Midoriya: good idea, do you need help up?
Bakugou half way over the fence: no, fuck off
Bakugou promptly loses his balance and lands on his ass and Midoriya loses it
Bakugou: Shut up you saw nothing you-
Todoroki: guys there literally a fence 10 feet this way
*Todoroki and Bakugou passing a volleyball and Midoriya sitting on the side because of a broken wrist*
Midoriya: hey guys pass it here
Todoroki: isn’t you wrist still messed up?
Bakugou: if he wants to hit the ball and be in pain than let him.
*Bakugou passes the ball to Midoriya*
*Midoriya sets it and immediately crumbles in pain*
Bakugou: you fucking idiot