When a male screams in a Boston accent while having a rod painfully slammed into his ass, usually occurs during the hazing ritual of some Frat's. The buttercup demonation is still unknown, however, when asked why it is called "buttercup" most victims flee away, screaming in terror.
"Hey Bobby, would you care to rush Gamma Alpha Yeti with me? I promise you, we don't perform the Boston Buttercup on our rushes!"
by Pat Furey August 22, 2006
When a Boston resident inserts their index finger inside the butt hole of another resident similar to a prostate exam. The inserter then forces the other to sniff his finger.
by 1223ArnieBallsack1233 April 25, 2023
by Asa johnson(y) December 14, 2009
The act of sexual intercourse with a woman during her menses without first removing her tampon in an effort to make “clean up” faster and easier. Typically accompanied by a distinctive “plunging” sound.
We only had five minutes before her mother arrived with the turkley, so I grabbed a beer and gave her a Boston Plumber.
by mollymoo5 October 15, 2010
To perform this trick you will require
1 x cup
1 x enemy
Simple, you excrete into the cup and then ejaculate, you can either force feed it to your enemy, or simply let it fester on their bedside table
1 x cup
1 x enemy
Simple, you excrete into the cup and then ejaculate, you can either force feed it to your enemy, or simply let it fester on their bedside table
Dave: " Hey Craig! I heard you got Boston Milkshaked, Last night?
Craig: " Well..ummm.. *** Whipes brown streak from face***...no"
Craig: " Well..ummm.. *** Whipes brown streak from face***...no"
by Matthew Taylor1234 April 07, 2008
by sugababy July 13, 2005
by Dutchy Yarmouth May 12, 2010