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.
See
Random Words:
1.
Succeeder of the now deprecated "This is Sparta."
Grendel: Who... are you?
Beowulf: I AM BEOWULF!
See this is sparta, spart..