its when you put $30 down for some crack ya dig nigga!!!!!!!!!
The Bi-Polar Polar Bear The Bi-Polar Party Bear got 30 on the rock box.
by Jordan C. and Chris A April 29, 2007
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When a womens ladyparts come face to face with medusa
You here what happened to Clarise?
Heard she got the rock box
by Dude Rugs February 14, 2014
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1. A kids game where one puts rocks into a box, especially shiny or odd shaped rocks.

2. The act of a man stuffing ones penis and testicles in their entirety into a woman's vaginal passage.
1. "Look, there's some more shiny ones, let's get those rocks in the box!"

2. "I've met a new girl, she really loves the full on rocks in the box!"
by BwB_75 July 21, 2013
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