have something going with

US /hæv ˈsʌmθɪŋ ˈɡoʊɪŋ wɪθ/
UK /hæv ˈsʌmθɪŋ ˈɡoʊɪŋ wɪθ/
"have something going with" picture
1.

to have a romantic or sexual relationship with someone, often a secret one

:
I think John and Sarah have something going with each other.
She suspected her husband had something going with his secretary.
2.

to have a successful or promising venture or project underway

:
Our new startup really has something going with its innovative technology.
If we combine our efforts, we could really have something going with this project.