oompahPronunciation: /ˈuːmpɑː/ (also oompah-pah) informalDefinition of oompah noun [mass noun] the rhythmical sound of deep-toned brass instruments in a band: [as modifier]:beer gardens from which oompah music thumped resoundingly verb (oompahs, oompahing, oompahed) [no object] make an ‘oompah’: the military band oompahed from the terraceOrigin: late 19th century: imitativeoompah in other Oxford dictionaries Definition of oompah in the US English dictionary
