Top Definition
An grossly overweight adult with a low level job and salary with the mind of a child who although having inferior intellect to most other adults will always manage to get into arguments. A Russbeer is in most cases infertile but will gladly bring up the offspring of others.
Don't get into an argument with the fat guy he's a Russbeer.

No I don't pay child support but a Russbeer is bringing up my child

I'm not going in KFC this time of day it's full of Russbeers taking up two seats each, feeding other mens kids and getting into arguments.
by domjoly February 22, 2011
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