Person A is being killed over and over again in a game by Person B e.g. In a first person shooter like Call of Duty Modern Warfare 2. This causes frustration and sheer anger towards Person B killing you repeatingly thus the term gamer rage. This anger is displayed through verbal means via a headset or chat with examples like:

"Oh my god you fucking camper"
"Fuck you"
"You fucking sprayer"
"Oh my god your such a lagger"

With generally explict verbal communication or verbal speech that creates a denial sense as to why Person A is constantly dying.

1. Random guy: That fucker just used his scout in a knives only match, that piece of shit, I'll rip his neck open.
Random guy's friend: calm down man no need to gamer rage.
2. Other random guy: That cunt nelf just shadowmeld charged me out of no where that cheap prick, man if I saw that kid in real life I'd kick the shit out of him.
Other random guy's friend: Calm down man, no need to gamer rage it's just wsg...