step out on someone
step out
1. To leave some place. I stepped out for one minute and someone has already taken my seat! I'm sorry, the boss has stepped out, would you like to leave a message?
2. To go outside briefly. I'm just stepping out for a bit of fresh air.
3. To quit or withdraw from something. Now that the other candidate has stepped out, you two are the only ones left. We lost out best programmer when Jessica stepped out from the project.
4. To have sexual relations with someone other than one's spouse. Usually followed by "on (someone)." It turns out that women are nearly as likely as men to step out on their partners. My dad stepped out on my mom when were just kids, and their marriage never recovered.
5. To go on a date with someone. Usually followed by "with (someone)." It's really weird that Ellen is stepping out with my ex. They've been stepping out for a couple of months now.
See also: out, step
Farlex Dictionary of Idioms.
step out on someone
in. to betray one’s lover by going out with someone else. Hank has been stepping out on Bess, and she doesn’t know it yet.
See also: on, out, someone, step
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
- step out
- on the way out
- on the/(one's) way out
- be on the way out
- I have to love you and leave you
- love you and leave you
- in the dust, leave someone
- leave (someone or something) in the dust
- Can I/we have the bill?
- Can I/we have the check?