無効 むこうPP ぴいぴいDU でぃうゆうじゃなかったです
mukō piipii diuyūjanakattadesu

Noun
Desu Copula

The polite, past negative form of 無効PPDU

1. Wasn't invalid PPDUs.; Wasn't a PPDUs invalid.

Past/Perfective
Negative
Polite
Casual Register
Computing