get to first base

US /ɡɛt tə fɜrst beɪs/
UK /ɡɛt tə fɜrst beɪs/
"get to first base" picture
1.

to make a successful start in an activity or relationship, but not necessarily complete it

:
We couldn't even get to first base with our proposal; the committee rejected it immediately.
After weeks of trying, he finally managed to get to first base with his new business idea, securing a small investment.
2.

to engage in the first level of sexual intimacy, typically kissing or touching

:
They've been on a few dates, but haven't even gotten to first base yet.
He was hoping to get to first base on their date, but she wasn't ready.