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A term coined by the epic mini series "Massholes". A Boston Baptism consists of water-boarding a victim with Samuel Adams through a Larry Bird Jersey.
- "Hey this asshole just said that New York is better then Boston."

-"Hell no!! its time for a Boston baptism! go get your Bird jersey and I'll grab the Adams. We're gonna drown this Ass clown out with Irish goodness!"
by Stlizzle February 28, 2013
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