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Another word for the male genitalia, penis, cock, or shlong. Refereeing specifically to the penis when fully erect. The phrase comes from the word “mirth”, meaning happiness, joy or pleasure, when also combined with “rocket”. Mirth rocket directly translates to “pleasure rocket” which can be interpreted as a slang word for the erect penis.
Hey baby, you want to get some dong bags and hop on the ole mirth rocket.
by skitty April 24, 2008

Words related to mirth rocket

cock shlong boner mirth penis