Rumpus (noun)

1. A noisy and disorderly commotion or disturbance.
2. A noisy and rowdy situation.

Origin:

From the word rump meaning buttocks, the root of this word is not clear. it is likely to be of imitative origin.

Examples:

1. The party was a rumpus with loud music and people shouting.
2. The children were making a rumpus in the playroom.
3. The rumpus in the street was caused by a street performer.
4. The rumpus in the meeting was caused by a disagreement.
5. The rumpus at the concert was caused by fans rushing the stage.