(verb) To get a Blow Job and have your Balls resting on the bitches chin.
I was Balls Deep while that bitch gave me head!
by John Holmes 69 September 25, 2006
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Balls Deep reffers to having your penis as deep inside of something as possible.....all the way down to the balls. Balls deep can mean any number of places as well...mouth, ass, vagina.

Balls Deep is a term that was coined by my brother Dan and Im proud to say I use it atleast once a day
I was balls deep in your mom lastnight.

Man...That chick I met lastnight, I took her back to my place and went balls deep on that shit till the sun came up.
by BIGGDAD September 12, 2009
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1) In general, it describes a state of mind where you are trying your best and going all-out.

More specifically, it's a phrase used to describe the extremely hardcore state of mind a player is in when he uses the "All Out Attack" offensive strategy in NHL 2004/2005. It is usually used as a desperation strategy when you're getting your butt kicked by your friends.
Player 1: I just switched to All Out Attack.

Player 2: Oh no, he's goin' balls deep!
by WHATEVA March 14, 2005
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1. having sex; more specifically, in flagrante delicto
I walked in and caught him balls deep on the couch with some chica from the bar.
by Herb N. Dictionary October 20, 2002
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to insert penis till balls slap vag.
tyler was balls deep in that tranny till he busted a nut she then kicked the fuck out of him till he was a bloody mess. tyler then the next day killed his dog and cut off his penis
by Mr. Mayonasse August 17, 2007
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Putting in extra effort into doing something. Giving a 110% effort into something. Used in marketing to describe a strategy of launching a product or business.
That company is going balls deep with advertising their new store.
by AZIFFEL February 10, 2015
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