grundies

/ ˈɡrʌndɪz /

plural noun

1. informal.
   men's underpants

Example Sentences

But grundies're only much fun if the victim squeals and tries to fight.

From Literature

Grundies humiliate rather than hurt.

From Literature

Grundy's name is so ubiquitous in Australia that "Reg Grundies" is commonly used as rhyming slang for "undies".

From BBC

Thus the bloomer was born – although it wasn’t until quite a bit later that someone thought to put a crotch in ladies’ grundies.

From The Guardian

And added to that, sporting director Lee Congleton will also reportedly be sitting around in his grundies having decided that enough is enough too.

From The Guardian