ちんふんかんじゃなかったです
珍糞漢じゃなかったです
chin funkanja nakattadesu

Noun
Desu Copula

The polite, past negative form of ちんぷんかん

1. Wasn't a precious, foolish man.; Wasn't a valuable, silly man.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana