grognard 

ultra-hardcore wargamer (wargames - Advanced Squad Leader, Combat Mission, etc) Comes from French word that means "grumbler"

"Bob the Grognard likes to check his back yard for good hull-down spots for his imaginary tank"

grognard by Smapdee May 6, 2003

Grognard 

In D&D, a person who prefers an older edition to the newer one.

Gamer A:"After playing 4th edition for six months, our group decided to give it up and go back to 3.5."

Gamer B:"you're officially grognards now."

Grognard by guyjin March 9, 2009

Grognard 

A. Pointing out inaccuracies in movies, writing, games, in regard to history, physics, or accepted canonical lore.

B. As a verb (grognarding) to describe the activity of A.

A. Did you see Game of Thrones last night? It was good except middle easterners would never wield katanas, and dragons don't fly like that, sorry to be a grognard about it.

B. We tried to watch 300, but Bill kept grognarding about how the Spartan armor was more like Athenian armor.

Grognard by Warlock May 15, 2016

grognard 

Playing a game (especially war games) with full reality settings - no cheats at all.

He plays Close Combat grognard.

grognard by Dropbear November 26, 2003

Grognard 

People that like overly complicated games.

Oh, Lego? He plays Dominions, so he must be a grognard.

Grognard by DNDfoot June 18, 2019

grognard 

A moderator in the dork squad discord server

A grognard is typing

grognard by AlexaRR December 8, 2020

Grognar 

The proper word for a house centipede

Grognar the terrible was terrorizing me

Grognar by squadsquadyt April 7, 2022