Does this sound natural?
ば~か~、もし逃げるな、俺が殴られたでしょう?痛みが嫌いだから逃げなきゃ

See a translation

@labu ありがとうございます！！ これでいい

@sararan Sorry for the late reply. The rough translation in my mind goes like this: "Baakaa, Of course I'll run away, cause if didn't, I would've been hit by you" The context is like this: I jokingly said that I accidentally deleted all of my friend's file (something which he worked so hard upon). I apologized dearly and suggested that we should do it again (yes, it's a joke.) But then my other friend said: there's like a backup right? and I said "oh yeah, now that i think about it, I'm pretty sure I did back it up" and then my friend said he's gonna punch me for that (jokingly, I think..) and then I went with the act so I went out to the door shouting that line while leaving.

Of course this didn't happen as it is just a fantasy in my head.