natural airhead; person prone to silly mistakes
Slang abbreviation of 天然ボケキャラ. Describes someone whose unintentionally odd or clueless behavior is seen as endearing or funny, often in entertainment or casual conversation.
She's a natural airhead and always makes everyone around her laugh.
あの芸人は天然キャラとして人気がある。
That comedian is popular as a natural airhead character.
Abbreviation of 天然ボケキャラ (natural airhead character). The exact origin is uncertain, but it became popular in Japanese media and casual speech to describe a person with an endearingly clueless personality.