groenestein 

When a group men gather around to eat popcorn go buckets from KFC and scream Daddy into each other's ears

I wish lockdown was over so I could arrange a big groenestein-ing already!

groenestein by scissorsmetimbers September 29, 2021

groinenstein 

injury to the groin or surrounding areas

person tends to have qualities of
1. long flowing jesus locks of hair
2. use's "Hey Mane" as a greeting
3. often creeps thru use of facebook, texting, the act of following or any means of stalking

"He hurt his Groinenestein"
"How's the Groinenstein?"
"Go Stretch the Groinenstein"
"I was masturbating to Law and Order SVU and I pulled my Groinenstein

groinenstein by theTEAM_31 July 8, 2010

gruenstein 

An uncommon last name used mainly in California.

Elise’s last name is gruenstein

gruenstein by urmom.taylor February 10, 2022