When you secretly jerk off while your girlfriend is sleeping, and wake her up, telling her there is an emergency. When she asks you what's wrong you blow your load in her face.
We got in a fight the night before, so I waited until the following night before I gave her a wumpin.
by Steve P April 3, 2006
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Large stick or club used to bludgeon things into paste
Get me my wumpin stick.
by A common friend October 23, 2023
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