thumper

One who thumps.

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

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

Something big, such as a lie; a whopper.

A kind of slam-door train introduced in the late 1950s.

The Vietnam-era M79 grenade launcher (due to its distinctive report).

A short rope for beating disobedient sled dogs.

A strong adherent to a religion or ideology.