Top Definition
Porcelain Slug N. 1) The resulting sluglike turd left behind when sitting on the toilet backwrds. 2) To leave a turd on the inside of the toilet bowl just above the water line.
Porcelain Slug
1) I was in a hurry and didn't have time to turn around and sit. So, I had to leave a Porcelain Slug.
2) After drinking 15 beers I snuck into my mother-in-law's bathroom and left her a Porcelain Slug.
by SirIsaacHillary September 09, 2005

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