This type of beard is located in the genitalia region. Typically basement beards consist of dark, usually curly coarse hair, aka pubes. It is not recommended that men with traditional facial beards, and women with basement beards, engage in cunninglingus activity.
"Hey babe, for Valentine's Day, I trimmed my basement beard into the shape of a heart for you"

^that's love right there
by Dault December 4, 2013
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