It's about to happen, something is about to jumpoff; it's happening right now
Celly Cell "It's goin down tonight"

Q: Hey, has the party started?
A: It's goin down right now

That bitch just stepped on my foot, oh hell naw, it's about to go down!
by that dozen May 1, 2005
Homosexual innuendo implying a male threesome which includes oral compilation and anal penetration, simultaneously.

Also see. Lucky Pierre

Popularized by the music artist Yung Joc's song, "It's going down."
(Three males walk mall's public restroom)
male 1: "Is it goin down"
(Male 2 looks around the corner to see if anyone is around)
male 2: "It's goin down"
male 3: "Last time I did this I got the clap. You guys free?"
male 1: "Yeah bro I wear a condom."
male 2: "Do I look like I have something?"
male 3: "Nah, you look good."
by Scattel2z August 8, 2006
happening, occuring, the questioning of one's recent actions
yo bro whats goin down?
by chaz September 11, 2003
After doing your substance of choice, the point of time between the high and the crash at which you've passed the point of no return, and no additional amount of substances will keep you going.
(Responsible partiers take note: it would be wise to NOT WASTE ANY MORE OF YOUR SHIT at this point, recognize it for what it is and call it game over already! You'll only be mad at yourself later, like on Day 3...)
I could rail that whole bag, but it won't help. I'm goin' down.
by brooklyn516 September 20, 2004
Wes Hall, fuckin quere
Did you know goin down is wat wes does everynight?
by Tippa July 13, 2004
An expression used commonly to refer to a seemingly impending fight or confrontation that will usually result in someone or multiple persons getting the shit beat out of them. Often heard when one person insults another's mother or girlfriend and the man insulted enough is ready to flip.
He just hit on big Mike's girl.
Dude, shit's goin down.
by dawg47 June 1, 2010