Stemming from the children's classic, Reptar, Reptar Rage is simply defined as someone who gets angry at something and yells.
As i typed this definition I got 3-man rushed by people on COD. I reptar rage'd over Xbox Live.

John: Dude, did you see that guy yelling and screaming yesterday?
Jim: Yeah, he was going through a serious reptar rage.
by Reptarin February 24, 2011
Get the Reptar Rage mug.