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1 definition by Proud to be

 
1.
1) (adj) Specifically, the act of inserting the dick into an orifice up to the hilt, such that the balls rest against the orifice.

2) (adj) generally, the act of doing any activity hardcore, all out, and as fully as possible.
ex 1. Q: Where were you last night?
A: Balls deep in some slut's filth.

ex 2. We hit the bars balls deep last night- I feel shitty.
by Proud to be November 16, 2005