James: No. NO. We're over!! I'm never talking to you again!
Sirius: Oh yeah?! Well if this is how you react when your best friend simply tries to make himself some profit, then you can fuck right off!!
James: Yeah, profit by STEALING THE PROPERTY I HAVE BEEN EYEING?? GET STUFFED BLACK!!
Peter: Now now, boys. Calm down.
Sirius, turning on him: YOU FUCK OFF PETTIGREW!! You literally have three— no— FOUR properties to your name!!
James, grumbling: Not to mention you refuse to visit your dear friends on their property!!
Sirius: Yeah! What of our profits?!
Remus: Lay off both of you. You're sore losers.
Sirius, throwing his hands up: SAID BY THE FUCKING BANKER— WHAT WOULD YOU KNOW OF PAIN?!
James: I SAW YOU PAWING AT THOSE 500 POUND BILLS LUPIN, DON'T EVEN GET ME STARTED—
Remus: OH SO MY PROFIT DOESN'T MATTER??
Sirius: NOT IF YOU'RE CHEATING THE SYSTEM!!
James: BECAUSE YOU WOULD KNOW ALL ABOUT CHEATING, WOULDN'T YOU BLACK?! WHAT WITH THE WAY YOU CHEATED YOUR BEST MATE—
Sirius: OH MY FUCKING— IT ISN'T THAT DEEP?!
Peter: UHHH YEAH IT IS?? PROPERTY ISN'T A GAME?!
Remus, nodding: And neither is Monopoly. You're an ass, Pads.
Sirius, bewildered: I'M YOUR BOYFRIEND??
Remus, shrugging: All is fair in war— and Monopoly is a battlefield.
Sirius, whirling on James: I DIDN'T SEE YOU PREACHING THIS WHEN YOU FUCKING TACKLED REMUS FOR FORGETTING TO GIVE YOU 200 POUNDS?!
James: WOAH NOW, THAT'S DIFFERENT AND YOU KNOW IT!! THE "PASS GO" RULE IS HOLY AND SACRED!!!
Sirius: I'LL SHOW YOU HOLY AND SACRED WHEN I FUCKING SEND YOU TO HEAVEN—
(inspired by @sspadfoot :DDD)