Git Gud - What does git gud mean?

Git Gud is slang for "Get good." See an example of how people use it.
Gamers use git gud (get good) to tell other players they need to up their game. Typically, gamers use this spelling when mocking another player's poor play. For example, if one player whines about how they're never lucky, the player's opponent may respond with nah, you just need to git gud.

Git Gud - A LitRPG Anthology eBook : Ormstad, Ben

Git Gud is an interactive Python application/game that lets you

git gud (get good) WordReference Forums

Git Gud! - Meme by desain :) Memedroid

Achievement Hunter Eco-Friendly Git Gud Dad Hat – Rooster Teeth Store

What is the meaning of git gud? - Question about English (US

GIT GUD : r/darksoulsmemes

Achievement Hunter Eco-Friendly Git Gud Dad Hat – Rooster Teeth Store

The Git Gud Patch at Hollow Knight Nexus - Mods and community

Git Gud PVP T-Shirt For Praise The Sun Fans-Art – Artvinatee

How to Git Gud in Demon's Souls, From Someone Who Sucked - MonsterVine

Git Gud, Ally, PAX West 2016

if this is what it means to git gud, I'd rather stay a filthy