Grundong 

When one shows clear and expressive frustration after having lost something of clear importance or meaning.

“Wow Sam seems a little angry”
“Don’t worry he’s just having a Grundong

Grundong by Jarodym January 19, 2020

grundingo 

kinda like a word but not really

I am grundingo

grundingo by Anonymous September 21, 2003

grunding 

The act of stimulating one's grundle using slow, clockwise, circular motions. One doing so without disruption of their natrual breathing pattern becomes a professional, grunder.

Steve reveals his beetroot, shiney, Jewish nose and begins furiously grunding Atilla whilst plundging his throbbing licker into his copper badge.

grunding by Rupert Forsyth March 1, 2007

Zeke Grundon 

A guy who take Ls in 2k

Bro u are a Zeke Grundon when it comes to 2k bro

Zeke Grundon by Urban dictionary 2020 February 16, 2017