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A portmanteau combining the words "swamp" and "pussy"; it occurs when a female ceases to wash her va-jay-jay for an extended period of time, resulting in said va-jay-jay reeking of an odour so foul that one could start a bush fire by simply lighting a match near the fumes.
Jim: Yo, how was it with Katie last night? You get it in?
John: Dawg, I couldn't even get hard! Her swampuss was so bad that the fumes incinerated my condom!
by traphouse333 June 20, 2018
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