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flatty

noun

flatty is a noun meaning “A flatfish” (English Wiktionary, September 2026). It is spelled F-L-A-T-T-Y, and it appears about once in every 91 million words in written English (wordfreq, 2021 data). The plural of flatty is flatties.

What does flatty mean?

noun

  1. 1

    slangA flatfish.

  2. 2

    AustraliaslangA flathead (fish).

  3. 3

    slangA flat tire/tyre.

  4. 4

    USarchaicslangA policeman.

  5. 5

    slangA flathead V8 engine.

  6. 6

    slangA hot rod fitted with a flathead V8 engine.

  7. 7

    slangAlternative form of flattie (“operator of crooking gambling operation”).

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

How do you pronounce flatty?

  • Australia

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

Forms of flatty

  • flatties plural

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

How common is flatty?

Flatty appears about once in every 91 million words in written English, the 305,310th 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).

Where does flatty come from?

From flat + -y. (policeman): From flatfoot.

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