Word.ws English Dictionary

dattebayo

dattebayo interjection: an expression of affirmation.

Interjection

  1. (humorous) An expression of affirmation.
    • I wanna play APEX with neechans too...dattebayo...2022 November 24, @axelsyrios, Twitter
    • i don't judge ppl for this bc like. if it gets you to do it. hell yeah brother grab that toothbrush dattebayo2024 May 3, @shoujoboyy, Twitter

Adjective

dattebayo (comparative more dattebayo, superlative most dattebayo)

  1. (Internet, humorous) Good; nice.
    • Not very dattebayo of them 😔2023 July 31, @unoriginalnam21, Twitter
    • not my beautiful sugoi country.... it has been ruined by non dattebayo streamers....2024 May 23, @gunglemynuts, Twitter

Forms of dattebayo

comparativemore dattebayo
superlativemost dattebayo

Origin of dattebayo

From a sentence-end hereditary verbal tic of the titular protagonist of Naruto, perceived as a catchphrase due to its translation into English as "Believe it!": だ (da, auxiliary) + ってば (tteba, informal emphatic particle) + よ (yo, emphatic particle).

Questions about dattebayo

What does dattebayo mean?
Dattebayo means an expression of affirmation.
What part of speech is dattebayo?
Dattebayo can be an interjection or an adjective.

Words near dattebayo in the dictionary

  1. Datsonian
  2. Datta
  3. dattaka
  4. Dattas
  5. Dattatreya
  6. dattebayo
  7. Datterini
  8. Datterini tomato
  9. Datterini tomatoes
  10. Datterinis
  11. Dattilo

Source and license

Adapted from Wiktionary: dattebayo (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.

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