Oh, I'm going to use it for everything - except what it really means.
"I will take the 8 oz steak, smashed potatoes with gravy, cauliflower with cheese, a side salad with house Italian dressing, and can you please make it grundle?"
"Thanks for stopping by. When you get home, tell your grundle I said was thinking about them."
I realize this isn't good HN material, but I couldn't resist.
Intersting. In NZ and Australia, "grundies" is slang for (usually male) underwear.
> Noun. grundle (plural grundles) (US, slang) The area between anus and scrotum in a male or between anus and vulva in a woman. [0]
[0]: https://en.wiktionary.org/wiki/grundle