What is Underground Boombox?
1.
the act of beatboxing into a woman's vagina during cunnilingus in order to give her pleasure some rhythm.
I gave her an underground boombox when i went down on her so that even if I wasn't that good, she could at least enjoy a catchy beat.
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1.
A trendy kid, who looks exactly like a forever 21 mannequin, and shops exclusively, only at the stores deemed "scene."
They d..