# reginalds

> English word · Noun

## Definitions
1. undies.

## Etymology
Abbreviation of Australian rhyming slang Reg Grundys (“undies”), with forename given in full.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/reginalds