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River Rat, As in a person who rushes one for a joint/blunt/bong etc. then holds it longer than one should in a rotation
that river rat geoff was grabin at that blunt then wouldn't pass it.
by jpfresh February 25, 2009
1. A dirty person that lives down by a river or creek, claiming to be clean.
That river rat is so filthy.
by George560 November 09, 2006