A fork of Rural Dictionary
Full penetration on a pussy or asshole
Dude, I went balls deep on that chick's ass I met last night at Denny's
A nickname for a woman is so loose from slutty fucking, every time a dude enters, his balls get sucked into the vagina.
Nikki: Dude I cant feel anything!
Desperate nerd with a tiny cock: I'm BALLSDEEP!!!!! If you can't feel this, I'm just gonna give up and go play Halo Reach!!!!!! Fuck sex!
Used to describe the intense extent to which an individual or thing is engaged in a particular activity
I was studying. I was ballsdeep in the books.