Grimberg 

A deragatory insult given to those who are afraid to rip an upper decky mid geometry class.

Man I met this Grimberg the other day; He ran away when checked the zynventory.

Grimberg by Jackaass October 2, 2023

Grimber

A word frequently used to identify people with mental capacity issues that struggle in the the real world, more often than not they have extremely low IQ's.

Hey you! You seem like a grimber.

Grimber by boobyballs123 May 3, 2017

grinberg

The type of kid that's boss as fuck. He gets all the girls but he is really sensitive on the inside. He is a master at everything he does, and girls love him for it.

Yo, that kid must've been a grinberg, I saw him with two bitches by his side.

grinberg by AnalDestroyer69 November 7, 2013

Oy Grinberg 

Usually used to call your friend natanchik to play fifa.

Oy Grinberg, play ellen ring with me.

Oy Natanchik Grinberg play FIFA with me.

Oy Grinberg by Jit4bahdies March 2, 2022