1. colloquial: Boston Thrust Party

2. committing sexual relations with one's self using, especially using the left hand

3. brutally administrating sexual contact to a johnson
Thomas: "I believe Richard had a Boston T Party at work yesterday."
Richard: "Yes, I scheduled it for 3pm."
Harrison: "For the record, I did not participate."

"William, did you supervise a Boston T Party? I wish you would invite more people! I feel like we've lost something."
"Patrick, you know that I can make right with what I left behind."
"William, you are such a cock tease!"

Stacey avoided the unisex public bathrooms since hearing of George Michael and his infamous Boston T party.
by Danfield January 15, 2007
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