Top Definition
The dirtiest scum imaginable. If you took all the dirty things in the word and put them in one word, it would be gwathsauce.
Bob: You just stole candy from a 5th grader!

Joe: Yea, I know.

Bob: That's gwathsauce you dirty gwath! Get the hell away from me!
by Pass_the_Gwathsauce October 29, 2009
5 Words related to gwathsauce

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