Term of endearment for a black midget, regardless of gender.
Ally: "What do you think of Tony Cox?"

Meghan: "Aww, he's such a cute little boston butt!"
by Loudlove November 21, 2010
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The act of being sexually assaulted willingly by two gay firefighters from Boston in a hot tub in Mexico while your wife is getting banged by your best friend in your resort room.
Dave enjoyed a BOSTON BUTTS in the hot tub with Tyrone and Bruce while his wife, Laurie, was having great sex in the hotel room with "the man and the legend."
by WurstNightmare February 27, 2021
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A word used to describe the large posterior of a female.

dayum she sure does have a boston butt
by thepenismeister February 11, 2009
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When you eat something that's really not good with your stomach and you're sitting down and all of a sudden you shart and you have to clinch and run to the shitter.
“Hey have you eaten at the restaurant in town?”
“Yea, but I can’t go back, I got a Boston Butt Tickler and destroyed their bathroom.”
by Rubber Donkey Balls August 24, 2022
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The original meaning of of the gay 9 man baseball team from Boston Massachusetts, that likes to ram baseball bats up each other’s buttholes prior to each game
The Boston Butt Cocks lost 5-2 against the Baltimore Whorioles!”
by Jordan Breyer August 22, 2018
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A cut of pork roast from the hind end of a pig
My wife makes a delicious boston butt roast for Sunday dinner on special occasions
by FahQuewDewd April 6, 2021
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When you take two large Juno hot dogs at a Red Sox game wrap completely in cotton candy then stick all the way in a girls asshole, make sure you have at least one person covered head to toe in cream cheese watching you.
Yo who wants to partake in a Boston butt cream and the Red Sox game tn?
by Bostonbuttcream69 March 11, 2023
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