pi-jaw

IPA(Pronunciation)

archaic slang uncountable

(slang, archaic) Lecturing or patronizing talk, especially from an adult to a child.

Japanese Meaning

説教（とくに、大人が子供に対して行う上から目線の講義的、説教的な話） / 上から目線での説教的な談話

After dinner, my grandfather launched into a long pi-jaw about manners that made everyone cringe.

夕食後、祖父は礼儀について皆が顔をしかめるほどの長い上から目線のお説教を始めた。

Sense（1）

(slang, archaic) Lecturing or patronizing talk, especially from an adult to a child.

I'll admit for the moment that you aren't giving me pi-jaw.