thumper

/TH AH1 M P ER0/
noun
  1. 1

    One who thumps.

  2. 2

    (slang) A single-cylinder engine, especially four-stroke engines or those with large engine displacements.

  3. 3

    (slang) Something big, such as a lie; a whopper.

  4. 4

    (uncountable) A drinking game wherein players must remember personal hand signs while being distracted by others banging on a table.

  5. 5

    (US, military, slang) The Vietnam-era M79 grenade launcher (due to its distinctive report).

  6. 6

    (UK, rail transport, slang) A kind of slam-door train introduced in the late 1950s.

  7. 7

    (informal) A strong adherent to a religion or ideology.

  8. 8

    (Antarctica) A short rope for beating disobedient sled dogs.

  9. 9

    A surname.