Baka
/ˈbɑː.kə/noun
A Japanese-derived slang term meaning a foolish or stupid person, commonly used in English anime and internet culture.
Did you know?Japanese 馬鹿 is written with characters meaning “horse” and “deer,” but those characters are ateji—chosen for sound rather than a literal animal-based meaning.
Etymological Timeline
8th–10th Century
Japanese
ばか / baka
“An insulting term for foolishness or foolish behavior; its earliest precise origin is uncertain.”
Medieval Japanese
Japanese
馬鹿
“The kanji spelling later used for baka; literally “horse-deer,” but functioning primarily as a phonetic and conventional spelling.”
20th Century
Japanese
バカ
“The katakana form used for emphasis, especially in informal speech, manga, and popular media.”
Late 20th Century
English
baka
“A Japanese loanword adopted by English-speaking anime fans as an insult meaning “idiot” or “fool.””
Modern English
English
baka
“Internet and fandom slang used to mock someone as foolish, often playfully or theatrically.”