thrummer

English

Etymology 1

From thrum +‎ -er.

Noun

thrummer (plural thrummers)

  1. One who thrums.

Etymology 2

Compare thrum (threepenny bit).

Noun

thrummer (plural thrummers)

  1. (obsolete, slang) A threepenny bit.
    Synonym: thrum
References
  • John Camden Hotten (1873), The Slang Dictionary