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2.
one who gets a boner when hes just in a good mood or really happy
Pete: i can see your jolly rocket
bob: I know im just so happy for some reason
Pete: damn im starting to get one to
by dan hirlander February 09, 2011
 
1.
A sexual act in whic you defecate in a condom, freeze it, and knock your partner out with it. While your partner is unconscious, you proceed to stick the frozen poop condom into their ear.
I'm going to break up with Carol. It's time for the Jolly Rocket.
by Cptainfalcon December 05, 2013