dattebayo

English

Etymology

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).

Phrase

dattebayo

1. (originally fandom slang, humorous) An expression of affirmation.
   • 2022 November 24, @axelsyrios, Twitter‎^[1]:

     I wanna play APEX with neechans too...dattebayo...

   • 2024 May 3, @shoujoboyy, Twitter‎^[2]:

     i don't judge ppl for this bc like. if it gets you to do it. hell yeah brother grab that toothbrush dattebayo

Usage notes

• Often used to intentionally appear cringeworthy or unknowledgeable.

Adjective

dattebayo (comparative more dattebayo, superlative most dattebayo)

1. (Internet slang, humorous) Good; nice.
   • 2023 July 31, @unoriginalnam21, Twitter‎^[3]:

     Not very dattebayo of them 😔

   • 2024 May 23, @gunglemynuts, Twitter‎^[4]:

     not my beautiful sugoi country.... it has been ruined by non dattebayo streamers....

See also

• desu
• let's go