1) When a gamer becomes upset upon not getting his/her way or seeing a noob playing badly.

2) When a nerd sees a popular science-fiction movie, comic book, or other media source improperly quoted, misrepresented, or otherwise flamed.

3) When someone who is especially well-versed in a certain area of academia sees someone who is not as well-versed exhibiting a rather large amount of brain-farting and idiocy in regards to said area of academia.
1) Gamer 1: Oh my God, did you see what that noob just did while playing World of Warcraft? What a retard.
Gamer 2: Careful, don't let your nerd rage get out of hand this time.

2) They made R2D2 talk in that fan fiction?!?! I think I feel my nerd rage coming on!

3) You're telling me you want to STOP polio vaccination because the vaccine killed 8 people in 1990? Don't make me nerd rage on you!
by Anal Crabs August 16, 2009
Indignant, hysterical, and incoherent screaming brought on by video game induced frustration.
Being griefed in UO for the 20th time that day, Ebert fell into an apoplectic nerd rage.
by Saks August 13, 2007
Nerd Rage: The phenomenon in which a typical "nerd" becomes so enraged, that rational thought quickly decreases, but strength output is significantly increased as if being channeled. The period is short lived, but can end up causing serious damage, especially if the "nerd" has a short-fused temper.
Person 1: Haha, you are teh sucksorz.
Person 2 (Nerd): ARGGHHHHH!
Person 1: Oh shit! He's got nerd rage!
by Anon9923 February 18, 2010
The condition in which the person, (nerd), becomes enraged due to a certain incident that he did not like which he was involved in during a game.
Gamer 1: Ahaha, I totally owned that nub.

Gamer 2: I just killed you.

Gamer 1: WTF?!?!? DUDE WTF, I WAS TALKING TO YOU. NO FAIR, REMATCH.

Gamer 2 to 3: Ahaha, that noob totally had a nerd rage right there.
by NerdExpert April 28, 2009
When a player starts over-reacting about an asswhoopin they've just received in a game.
Player 1: What the Fuck!?! You fuckin noob tubers. Don't have any skill! Thats fuckin cheatin!!! I'm reporting you.

Player 2: Someone is definitely on a nerd rage.
by sideboob<cleavage September 4, 2010
Term used to describe extreme anger, offence, indignation, and other similar emotions by a nerd, geek or similar. Nerd Rage can be triggered by a number of things, most commonly through helplessness in the face of bullying, internet fights, or seeing their favorite film/show/anime/etc degraded or insulted in some way.
"So, did you see the new Transformers movie?"
"Yea. Michael Bay screwed it up so badly, it set my Nerd Rage off big-time."
by Dacowie July 21, 2007
When a nerd (as implied) video gamer gets extremely angry and starts yelling after losing or experiencing the tiniest disturbances.

Prominent in competitive online mmos, nerd raging was made famous in world of warcraft with "Serennia", often considered the greatest nerd rager to date and "Mahiko" who is known to throw funny yet childish fits.
"Hey did u hear about that wow kid's nerd rage?" "Yeah he nearly killed the other kid when he pressed the wrong button"
by Sanalex October 8, 2008