Top Definition
Guelleschiss is the extremely squishy and smelly result that you get upon having a dump after an afternoon full of alcohol and mexican food. It's something you can't hold but can't dump out neither.
Damn, what the ... is burning in my eyes? Are the wallpapers coming down? Damn it, did you do a guelleschiss?
by WOS November 28, 2005
5 Words related to guelleschiss

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