To masturbate using an American flag folded up like a dildo.
I was so worked up I had no choice but to go for some constitutional masturbation
by 1970 ink slinger December 3, 2015
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To Masturbate in a very patriotic way. Often will be done while listening to the national anthem, while watching the president give a speech, Or while cloaked in an American Flag
Guy 1: Dude last night i did some constitutional masturbation.

Guy 2: Theres nothing more patriotic than that, you know what ill be right back i need to go masturbate whilte listening to the national anthem
by Gentalmansmiley June 20, 2011
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