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10.
People who are easily provoked and for no reason hostile to anyone. They usually attempt to provoke people by insulting people without knowing nothing of their victim. Ragers are commonly found on the internet and online games, for they have no life in the real world so they must retreat to their virtual world.
Online gamer "Yay, I killed someone"

Rager "Get a life you F**king noob"

Online gamer "Huh? I'm just enjoying the game you should too :)"

Rager "Your mom"
by Sushi Warrior January 20, 2011
 
1.
A larger gathering usually of highschool or college students where massive amounts of alcohol are consumed
Rager at Cozz's bring the brew
by Greatness October 30, 2004
 
2.
a party where everyone there calls everyone they know to come rage the house. eventually theres like 500 people, the house gets trashed, and the cops come.
ex. mikes having a rager this weekend.
by EssTeeEye March 05, 2005
 
3.
An extremely powerful erection
I woke up this morning with a rager
by Random Hero March 13, 2005
 
4.
A large gathering of fratdaddies and sorostitutes where massive amounts of fratwater are consumed.
After last night's rager, we walked back to the Adolphus and Clifford started a non-stop vomit extravaganza.
by Ragerman October 20, 2009
 
5.
Notorious in college but high school can have major ones as well. Its not just a party but a massive party that usually consists of crazy shit happening. Keggers are a must. The party is so full that you can barely move around.
Yo man there is a rager pool party happening tonight at TA's
by Easy_EC July 04, 2010
 
6.
Kid Cudi.
Person 1: I heard Mr. Rager is on his way to heaven!
Person 2: Sweet sassy mollassy!
by nigopolous November 04, 2010
 
7.
an epic adventure; involving a combination of fire, mayhem, sex or disorderly conduct. usually ran on little sleep and fueled by drugs & alcohol.
5-day rager in Morgantown this weekend, you in?
by IOWA JOHN February 11, 2010