Pronunciation: 'r&-k&s also 'rŸ- or 'ru
Function: noun
Etymology: probably blend of ruction and rumpus
Date: circa 1890
Synonyms: Commotion, furore, fuss, rumpus, shindig, shindy, to do, uproar.

Any combination of human body sounds and movements such as screaming, yelling, hooting, hollering, shouting, whistling, banging, while dancing, jumping, shaking, twisting, gyrating, etc. in the spirit of letting off steam and having a good time. He or she who exerts the loudest sounds and wildest movements raises the best RUKUS.