streperous
/ˈstreɪpərəs/Definitions
1. adjective
Given to or characterized by loud, boisterous, or unruly behavior, especially in a noisy, rowdy, or quarrelsome manner.
“The streperous crowd disrupted the concert with their shouting and whistling.”
2. noun
A noisy, quarrelsome person or a boisterous or unruly crowd.
“The police struggled to maintain order amidst the streperous gathering.”