Ruckus
来自Big Physics
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late 19th century: perhaps related to ruction and rumpus.
wiktionary
Recorded since 1890; probably a blend of ruction(“disturbance”) + rumpus(“disturbance, fracas”).
etymonline
ruckus (n.)
"uproar, disturbance, commotion," 1890, American English, possibly a blend of ruction and rumpus.
