1 definition by EpicAurbis

Top Definition
Rodents Of Unusual Size. These guys seem t be a higher level Lab Rat in Borderlands.

They also have adapted an unusual power to shoot a type of shock beam with their now goggle'd eyes.
When my friend and I are going through on level 50, we see these futuristic larger rat type enemy. They are called R.O.U.S.; short for Rodents Of Unusual Size
But when we are boosting lower levels with our level 50, we only see Lab Rats.
by EpicAurbis November 06, 2012

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