Kyūshū dialect insult meaning 'idiot' or 'fool'. Stronger than ばか alone; the ちん suffix adds a derogatory or childish tone. Not used in polite conversation.
That guy is a real idiot.
Don't say such stupid things.
Common katakana spelling; usually written in kana.
Mixed katakana-hiragana variant.
Kanji spelling exists but is rarely used; the word is normally written in kana.
Mixed kanji-katakana spelling; very uncommon.
Derived from ばか (fool) with the suffix ちん, which adds a derogatory or childish nuance. The exact origin of ちん is uncertain, but it appears in other dialectal or slang terms. The word is associated with Kyūshū dialect.