Being caught up in something that is way over one's head. Being "pistol deep" in something means there is a severity and gravity to a situation should not be taken lightly. Often used to refer to someone being in the depths of a addiction, on the run from authorities, or anyone who feels trapped in a situation with no way out. The stakes of being in a "pistol deep" situation are normally very high. This pistol part of the "pistol deep" is meant to emphasize this severity, giving a connotation that things could turn fatal or end badly.
I heard the mob is looking for Jessie, man he's really pistol deep in that shit.
To use the bathroom in Someone’s mouth.
I really need to do deep forking
Could mean anything
Committing suicide
Blowing a large dick
Or a fetish of putting your mouth at the end of a barrel if a gun
Someone puts a gun in your mouth.
Depends on how you use the definition
I was with Kyle last night, I deep throat the musket.
Kurt Cobain committed suicide. He deep throated the musket
I enjoy deep throating the musket.
One ball deep, a moment in hardcore intercourse where your scrotum/ballsack/magicfloaty bits become hard like a rhinos skin an the smaller testicle slides in the gash of glory...
Julian: come on guys am nearly one ball deep.
Noel : I only answer to swampy .
the act of going to an event with a large group of your bros
You see them over there? They're brolling deep to Faneuil Hall.
A metaphor to describe the act of fucking. Specifically pertaining to anal intercourse in which the arm is shoved up the asshole till it meets the wenis. Hence the term.
Mark: My brother did you hear about Thompson!?!?! I heard he went in Wenis Deep with Becca!
Derrick: Awww no way man!
When you go away for a weekend with fraternity brothers to a brother’s beautiful lake house, and you decide to take a dump in the pristine lake waters.
“Where’s GB?”
“He’s stocking the lake with some Deep Creek Brown Trout!”