Just like the Boston Shot glass: where a bloke jizz's into two shot glasses and one is inserted in her vagina and the other shot glass is inserted into the arsehole of your partner.
G: Hey Bakes, I gave your grand mother a double boston shot glass.
B: Really?
G: Yeah! I didn't know she could say cheers.
B: Really?
G: Yeah! I didn't know she could say cheers.
by Fidy Quid August 7, 2010