Skip to main content
PlainSpell

foamer

noun

foamer is a derogatory noun meaning “A railfan, particularly an obsessive one” (English Wiktionary, September 2026). It is spelled F-O-A-M-E-R, and it appears about once in every 93 million words in written English (wordfreq, 2021 data). The plural of foamer is foamers.

What does foamer mean?

noun

  1. 1

    USderogatoryslangA railfan, particularly an obsessive one.

  2. 2

    USderogatoryslangSomeone with a special interest in a particular topic, usually obsessive.

  3. 3

    A device that foams or froths liquid.

  4. 4

    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.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How do you pronounce foamer?

  • Australia

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-au-foamer.ogg, Wikimedia Commons (author and licence on each file's page).

Forms of foamer

  • foamers plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is foamer?

Foamer appears about once in every 93 million words in written English, the 309,272nd most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).