the sexual act of having forceful, unprotected sex with a partner, ejaculating inside them, then killing them. This act is illegal in all 50 states and is highly frowned upon elsewhere. The act is obviously named after the event where 5 Bostonians were killed by the British in 1770.
Guy1: dude I have to get out of here quickly.
Guy2: Why man?
Guy1: I just gave this girl a boston massacre and the cops are after me.
Guy2: Why man?
Guy1: I just gave this girl a boston massacre and the cops are after me.
by dirtyman2010 July 14, 2009
Get the boston massacremug. 1.the hilarious killing of only a few idiots
2.Immense propaganda by Paul Revere
3. The Mets/ Red Sox World Series
2.Immense propaganda by Paul Revere
3. The Mets/ Red Sox World Series
by a55h01e November 12, 2004
Get the Boston Massacremug. by Harman P. Kardon December 9, 2008
Get the Boston Massacremug. by SaquonBeckhamJrsFan October 29, 2018
Get the Boston Red Sox Massacremug.