Krunderpants 

Kreye (the band's) official name for Kreye branded Underwear!

Abbreviations/Alternative names:
-Krunderwear
-Krundies

Gavin looks so stylish in his Krunderpants...

Krunderpants by Hector Giovanni August 5, 2024

Grunderpants 

Underwear soiled with fecal matter, having skid marks or filthy from bodily fluids such as semen, urine, vaginal secretions or ass sweat.

I just sharted. I’m gonna have to walk around with grunderpants all day.

She pulled her panties over my face. While expecting a fragrant experience, I got grunderpants and a big skid right across my nose.

I sniffed her grunderpants and it was a whiff of stank ass booty juice.

Grunderpants by Eaton Holgoode June 1, 2018