Rage in which the player is upset for a valid reason other than being new or a novice at a game. Similar to noob rage with respect to language and loudness, but the underlying reason is different.

Pro rage typically occurs when a game mechanic malfunctions, causing an unnecessary or unintended death. Examples include lag spikes, bad hit registration (FPS), weapon glitches, etc. These examples are typically not due to lack of skill at all, but nevertheless occur and result in the player's death, causing anger. The resulting rage is referred to as pro rage.
Person A: HOLY SHIT THIS HIT REGISTRATION IS GARBAGE
Person B: Dude, stop noob raging or I'm going to mute you...
Person A: It's called PRO RAGE, spunkwad.
by Nullifi3d June 29, 2015
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The feeling of your blood boiling when getting well and truly hammered by an apponent when playing pro evo. It is common for the looser to quite literally loose the plot and launch the pad.
On Wednesday Frost suffered from pro evo rage when he was taken appart by Chaarndler in an epic thriller between United and Newcastle. Frost will argue that United are a better side. Whatever helps you sleep at night big man.
by Chaarndler June 1, 2006
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