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1.
To cheat on one's boyfriend, girlfriend, significant other, husband or wife.
Why did yo step out on me, bitch?
by TDF-prez June 12, 2007
 
2.
Have a night out of the house. Usually involves drinking or some other method of distorting reality in a town or city. Also may include rowdy behavior and possibly jail.
I am going to step out Tonight !
by LIRR Guy September 24, 2003
 
3.
leavin to go to a party or a club in a new outfit
From Big Gipp Feat. Sleepy Brown, "Steppin Out"
by Bridget September 24, 2003
 
4.
Actions related to protecting your rep. Do something that will get noticed because you're being punked off. Generally seen as premeditated instrumental violence vs impulsive and explosive.
Locale: Western Canadian prisons.
If this guy don't shut up I'm gonna have to step out and blade him.
Sometimes the best thing to do when you roll into a new joint is "step out" on the first spoke so people don't take you for a bitch.
by arawn13 December 01, 2007
 
5.
to step out...
1)...on ones own or with friends is to go out for a night on the town - clubbing, pubbing, whatever takes your fancy.
2)...with a special someone who is your girl/boyfriend on a date.
1)you stepping out tonight?

2)you know john's stepping out with lucy?!
by Anonymous September 27, 2003
 
6.
Back off.
You need to step out of here before I get up in yo' face. (HA!)
by Allison September 25, 2003