akkerakan
Acting completely unbothered by something that would normally be shocking or embarrassing. Carefree to the point of surprising others.
💡Laughing off a big mistake — 'She admitted it akkerakan as if it was nothing.'
大失敗したのに、あっけらかんとしている。
Despite the big failure, she's totally akkerakan about it.
After crashing the car, he was ___ as if nothing had happened.
車をぶつけたのに○○としている。