(Pronounced Bah-stin Boo-font) (noun) when a male is performing cunnilingus on a female partner, and the female lets loose a queef of such intensity, that it parts the male's hair right down the middle. ( in a similar fashion to George McFly's hairdo in back to the future).
Skyler went muff diving, and came out with a Boston Bouffant! What a loser!
by Scoopalone June 4, 2014
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A superior blow job, a.k.a. boss ass head.
I'm all thizzed out, trying to find a punk rock beezie to gimmie a flight to boston
by myboxchevy April 23, 2011
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A Boston marriage is a polite term to describe two women living in a household and sharing expenses, whether in a Platonic or lesbian relationship.
Molly and Bridgit were in a Boston marriage and co-owned a brownstone.
by Nora O'Shaughnessy November 7, 2007
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Derived from Godwin’s Law, Boston’s Law states that as an online argument with a Patriots fan grows longer and more heated, it becomes increasingly likely that they will bring up the fact that they have won five Superbowls.
Person: “Bro, I bet the Raiders smoke y’all this year."

Patriots Fan: “Fuck you, let me know when you have 5 Superbowl rings, I masturbate to Tom Brady, but use my left hand because my right is full on rings.”

Person: “Damn dude, I guess that’s why they call it Boston’s Law
by Portland Houseduster June 7, 2017
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The Boston Struggle is an act of road rage involving leaving ones car in the middle of Bostonian traffic and shoving a raw lobster up an orifice of a nearby driver.
Two men engaged in the Boston Struggle after half an hour of gridlocked traffic in hopes of relieving their pent up anger.
by wokkawokkaflyswagmcgeeswagging November 3, 2013
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When a man places his anus upon a frothy trollops vagina lips (preferably long meaty hangers getting blown into by a prolapsed anus). He then proceeds to blast ass into her baby tube. The meaty lips proceed to flap like a happy butterfly nectar sucker.
I just gave Alisa the best Boston Butterfly ever! Her lips were flapping like a wounded monarch!
by Ball Gag May 14, 2017
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The Boston Backslap is the sexual act of rooting doggy-style and the male pretends to be edging near to climax, instead shitting into his hand and slapping it on the females back.
Billy: Bro I was fucking that dog of a cunt Deanna, and she was a shit root so I shit in my hand and slapped it on her back.

Joey: So you Boston Backslapped her cunt?

Billy: Yeah, I only found out after she was your mrs though....
by Cazlab7 June 12, 2019
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