When you're a well hung man and you lean forward sitting on the toilet and the tip of your penis hits the water giving you a cold wet surprise
ah Crap! I just gave myself a porcelain baptism again.
by Lothar January 14, 2018
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When you accidentally drop your phone in the toilet.
"Hey man, I was going to call you but then I went and gave my phone the porcelain baptism."
by OctopiWallStreet July 31, 2017
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