Reg Grundys
Proposed by a contributor, not yet supported by evidence.
Meaning · English
Undies.
Register: slang
Where it’s used:
Used
Australian English
Examples
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.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “Reg Grundys” mean?
Undies.
Is “Reg Grundys” formal or informal?
Reg Grundys is generally slang.