I can link you to someone else’s fic! And feel free to write it yourself if you want, I love reading people’s fics of prompts!
Bruce about to reveal his identity to the JL
Bruce: “I’m going to do something that may traumatize two of you. I am not sorry.”
Oliver: “oh come on Batman you identity isn’t that special.”
Bruce going full whiny play boy: “Dinah! Ollie is being mean to me!!!”
Oliver: blue screens
Dinah: “YOU BITCH!?”