A room to take Massive boom-booms, typically a bathroom.
Dude 1: Bro, I just took a massive dump
Dude 2: Did you do it in the Boom Room?
Dude 1: Of course, bro
Jace Hastings is the most obscenely fat person ever with the most immense mass imaginable. He eats pure sugar and can always be found playing hogwarts legacy in his room for the 400th time.
Friend 1: Bro, you're almost as heavy as Jace Hastings' pinky toenail
Friend 2: Rude, I'm not 500 pounds, yet