Foamer

noun, slang

noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    An obsessive railfan US, derogatory, slang, sometimes
  2. 2
    A device that foams or froths liquid.
  3. 3
    A device that foams or froths liquid.; A screw-top culinary device that comprises a pressure vessel used to hold a liquid and is charged with a compressed gas, to force the contents out of the nozzle, to create a foam.

Etymology

From foam + -er.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.