The act of taking a shit on someones chest before during or after sex (can be used as a punishment, break up tactic or fetish act) Very similar to the Cleveland Steamer, but with the Boston Steamer, you also tea bag her with you nut-sack while taking the shit.
Bitch, shut your fuckin mouth, or i'll tape you to the bed and give you a Boston Steamer.
That Boston Steamer in your yard brings back memories of beautiful winter days back home in Massachusetts. What a work of art, a borderline masterpiece. I like how you threw in that Dirty Sanchez to emphasize cultural diversity.
The true boston steamer is a sexual act (fetish). It is when one person craps on another person's face and then sits down and rocks back and forth like a steam roller.
The act of ending a relationship by depositing a steaming pile of feces on the back of a sleeping lover after a night of passion followed by a hasty departure.
A Boston Steamer is 70's term named for a certain 1970's celebrity that liked getting his dick sucked while he took a shit. Hence, a blowjob while your shitting is called a Boston steamer.
After the concert the singer went up to the hotel room and had a groupie give him his favorite: a Boston steamer.