A noisy and possibly wild situation where people are having a lot of fun and making a lot of noise.
Rumpuses are usually happy and exciting, but sometimes they can be a little out of control.
Examples:
The children had a rumpus in the living room.
The party turned into a rumpus with everyone dancing and laughing.
During the rumpus, the neighbors complained about the noise.
The rumpus was so loud that even the dogs started barking.
The rumpus was so big, it could be heard from miles away.
The rumpus was the best party ever!