Boston Cupcake 

An act of sex so despicable, that to merely describe it is punishable by Boston Cupcake.

I told her what a Boston Cupcake was, then three guys appeared out of nowhere with a frozen garden hose and some Celine Dion CD's and gave me a Boston Cupcake.

Boston Cupcake by Keeleon April 4, 2010

Boston Style cupcake 

(noun) referring to a particular method of eating a cupcake whereby the bottom of the cupcake is twisted off, inverted, then placed on top of the frosting of the top half thus creating something akin to a frosting sandwich.

Hi- can we get three Boston style cupcakes? To go?

Boston Style cupcake by PEBAC101 March 12, 2015