Reg Grundys

Noun

Australia plural plural-only slang

(Australia, rhyming slang) Undies.

Japanese Meaning

下着

I need to buy a new pair of Reg Grundys before the camping trip.

キャンプ旅行の前に新しいパンツを買う必要がある。

Sense（1）

(Australia, rhyming slang) Undies.

If this kept up, I′d get dizzy and pass out. And then Ken would start to go through my pockets and find what I had in my Reg Grundys.