grundies
Ⅰ ⇨ Reg Grundies; grundies; grunds; reginalds; reggies
noun underwear. Rhyming slang, playing on UNDIES, formed from the name Reg Grundy, an Australian televison producer AUSTRALIA, 1984
Ⅱ ⇨ grundies; grunds
noun underpants. Short for REG GRUNDIES AUSTRALIA, 1984