Jack Brown 

When you go down on a girl and she shits or farts on your face

"Hey man heard you gave that girl a jack brown"

Jack Brown by jack knighthawk brown December 8, 2014

Jack Brown 

the process of placing your lips around ones anus while they fart into your mouth

That rudy poo gave him a jack brown.

Jack Brown by bob solis December 25, 2007

Jack Brown 

Typically claims that a dick is in his ass; A Big Chungus enthusiast; Very short (about 5”2); LOVES Xtra Cheddar; Hipfired a C4 and missed terribly causing him to die

Emily: Did you hear about Jack Brown?
Iskra: No why?
Emily: Apparently he had another dick in his ass!
Iskra: Typical Jack!

Jack Brown by Gary O’Crowley August 10, 2020

Brown Jack 

(verb)
The act of masturbating while defecating on someone's chest, then ejaculating on the fecal matter once finished.

1. Timmy brown jacked Veronica after a big night on the town.

2. I walked in on him brown jacking his girlfriend.

3. All she wanted for Christmas was a brown jack.

Brown Jack by RichardBachman August 5, 2013

Jack Daniel's Brown Cum 

the mixture of cum and shit, mixed in a mixer and then served over steak to the unsuspecting victim. Looks like steak sauce, that's why it works

You should have seen the look on her face when she found out it was Jack Daniel's Brown Cum

Jack Daniel's Brown Cum by ButtsexMcGee December 31, 2011