Definition of mountain boomer in English:

mountain boomer

noun

US
  • 1The American red squirrel, Tamiasciurus hudsonicus.

  • 2In extended use: a person who lives in a mountainous area; a hillbilly. [Applied especially to inhabitants of the Appalachian region of the eastern U.S. Occasionally derogatory, though sometimes also a self-designation.]

  • 3The collared lizard, Crotaphytus collaris.

Origin

Mid 19th century. Probably from mountain + boom + -er, apparently arising from the folk belief that the animals so named are capable of making a booming noise.

Pronunciation

mountain boomer

/ˌmaʊntɪn ˈbuːmə/