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oompah

[oom-pah, oo m-]
noun
  1. a repetitious bass accompaniment in music typically provided by brasses.
adjective
  1. marked by an oompah: oompah band.
Also oom·pah-pah [oom-pah-pah, oo m-] /ˈum pɑˌpɑ, ˈʊm-/.

Origin of oompah

First recorded in 1875–80; imitative
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for oompah

oompah

noun
  1. a representation of the sound made by a deep brass instrument, esp in military band music
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012