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.
usually "not very good", "weak", "lacking in substance"
Commonly used in the UK during mid 70s as a dispa..