にぶちん
also: にぶチン
Meanings
1
dullard; insensitive person; slow-witted person
usually written using kana alone
Colloquial, mildly derogatory term for someone who is slow to understand or insensitive to others' feelings. Often used in light teasing among friends.
See also: 鈍い (にぶい)
He's a dullard, so jokes don't get through to him.
I don't want to tell such an insensitive person.