へなちょこじゃなかったです
へな猪口じゃなかったです
henachokojanakattadesu

Noun
Desu Copula

The polite, past negative form of へなちょこ

1. Wasn't a clumsy sake cup.; Wasn't unskilled at drinking.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana