Word.ws English Dictionary

John Mastodon

John Mastodon proper noun: nickname for Eugen Rochko (born 1993), German software developer.

Proper noun

John Mastodon

  1. (Internet, humorous) Nickname for Eugen Rochko (born 1993), German software developer.
  2. (Internet, humorous) Nickname for the mascot of Mastodon, which does not officially have a name.

Phrase

John Mastodon

  1. (Internet, euphemistic, humorous) Join Mastodon; a call for Twitter users to migrate to Mastodon.

Origin of John Mastodon

For the proper noun, referring to his creation of the website Mastodon. For the phrase, popularised in 2022 by Twitter users who condemned Elon Musk's purchase of Twitter.

Questions about John Mastodon

What does John Mastodon mean?
John Mastodon means nickname for Eugen Rochko (born 1993), German software developer.
What part of speech is John Mastodon?
John Mastodon can be a proper noun or a phrase.

Words near John Mastodon in the dictionary

  1. John Hops
  2. John Innes
  3. John Law
  4. John Lennon glasses
  5. John Lennon spectacles
  6. John Mastodon
  7. John McClane
  8. John o' Groat's
  9. John o' Groats
  10. John O'Gaunt
  11. John Orderly

Source and license

Adapted from Wiktionary: John Mastodon (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “John Mastodon.” Word.ws, https://word.ws/john_mastodon. Based on Wiktionary, CC BY-SA 4.0.