Grundies 

n. 1. Members of the Grundie Gang

n. 2. A pair of grandma underwear

The Grundie Gang is an electronic commune of like minded people who promote self love. The members of the Grundie Gang are known as "Grundies." Their logo is a pair of cotton "grandma" underwear because Grundies believe comfort is fashion and natural (non-synthetic) materials matter.

The Grundies started as American Twitch streamer, and musician, ReinaMystique's community name. Grundies enjoy good music, food, art, and culture.

The Grundies have a Discord and use the hashtag #grundiegang on all social media platforms.

I love hanging with the Grundies. They always have positive vibes.

Grundies by ReinbowBrite November 22, 2021

reg grundies 

Australian slang for underpants.

Dont forget ya Reg Grundies mate.

reg grundies by Matoman February 18, 2017

Grundles 

Grundles are brown cave-dwelling creatures from the My Little Pony movie. They look like monsters to most people, but, as they constantly reassure Baby Licketysplit and Spike the dragon, "Grundles good!" They are helpful, friendly creatures. Interestingly, Danny DeVito played the Grundle Leader in the movie.

Grundles not monsters! Grundles good!

Grundles by Jezani May 10, 2009

Aryan Grundes 

A white guy that showers in baby powder

Aryan Grundes is gay

Aryan Grundes by Hot__n__sexy November 20, 2021

Grundles 

Underpants, Underwear, be it Boxers, Briefs, Thongs, high rise, low rise, cotton, rayon, or polyester.

Grundles is actually short for grundlemires, as panties is short for underpants.

If you cut somebody off in traffic and they start flipping you off or shouting obscenities, simply say "Hey, don't get your grundles in a bundle, pal."

Grundles by Sara B Ellum December 22, 2010

Grundlesmooch 

The male on Male version of scissoring.

Noun: That Grundlesmooch session at the male strip-club last night was insane.
Verb: The Grundlesmooching commenced quickly once Herbert lured Chris into the wrestling ring.

Credits:
Word creation: User: mull3286 at Reddit
Word definition: User: freshOJ at Reddit

Grundlesmooch by Annonomouse June 7, 2013

The Grunnies 

An alternate spelling of the grunnys.

I can't eat cheese. It gives me the grunnies.

The Grunnies by defenestrator March 22, 2005