Meaning
What does Dattebayo mean?
Dattebayo is the catchphrase and verbal tic of the popular anime character Naruto Uzumaki.
Although it’s translated as “Believe it!” in the early English dubbings of the series, the actual phrase doesn’t mean much of anything, and is simply used to spice up Naruto’s lines with a unique, youthful flavor.
Origin
What's the origin of Dattebayo?
The first Naruto manga was released in 1999 by artist Masashi Kishimoto.
The catchphrase has been part of the protagonist Naruto’s character since the initial start of the manga and anime.
The parts of the expression can be broken down to (da), the colloquial version of the term, (tteba), meaning “like I said,” and (yo), the emphasis particle.
Spread & Usage
How did Dattebayo spread?
Naruto fans often cite the term among themselves, as it is one of the easier ways to refer to the protagonist.
Dattebayo regularly appears on various merchandise items and artworks as well.