get to second base

US /ɡɛt tu ˈsɛkənd beɪs/
UK /ɡɛt tu ˈsɛkənd beɪs/
"get to second base" picture
1.

to engage in sexual activity that involves touching above the waist, but not intercourse

:
They were on a date, and he was hoping to get to second base.
After a few dates, they finally got to second base.