When you wank inside your pants and don't wash your penis, you penis starts smelling real bad. That smell, is called the wump wump smell.
by Ary130904 March 29, 2018
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A unit of measure used to describe something seriously enjoyable. Can be applied to any form of experience the user wishes, as there is no limit on fun.
Jack - “I cant wait to get online later, Jon. Gonna be a new level of wumps”
Jon - “I know. My wumpage output is gonna be through the roof”
Jon - “I know. My wumpage output is gonna be through the roof”
by johnbingbang March 31, 2020
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