English Regional, United States Regional, Scottish, Northern informal
A rumpus, an uproar.
Origin
Early 19th century; earliest use found in The Sporting Magazine. Probably from rump- + -tion. Perhaps compare earlier polrumptious, and perhaps also slightly later ruction.
Definition of rumption in US English:
rumption
nounˈrʌm(p)ʃən
English Regional, United States Regional, Scottish, Northern informal
A rumpus, an uproar.
Origin
Early 19th century; earliest use found in The Sporting Magazine. Probably from rump- + -tion. Perhaps compare earlier polrumptious, and perhaps also slightly later ruction.