rumpus /ˈɹʌm.pəs/noun 2verb 1forms 4 noun2 •A noisy, sometimes violent disturbance; noise and confusion; a noisy quarrel or brawl."I'd like to know how on earth we are going to finish the case with all this umptydoodle rumpus going on." — 1918 •(Australia, Canada) A rumpus room. verb1 •(informal) To cause a noisy disturbance or commotion.All night, as wide awake as gnats, The terriers rumpused after rats, Or, just for practice, taught their brats, To worry cast-off shoes and hats. — 1851 formsrumpused · rumpussed · rumpusing · rumpuses