make out with
Intermediate (B1)informal
Kiss someone in a romantic way for a while.
"She admitted she had made out with him after the party."
Hear it in context

1 Hour of ‘The Big Bang Theory’ That Lowkey Makes You Smarter
The Big Bang Theory · 46:09
I WOULDN'T MAKE OUT WITH ME, EITHER.

I Tested Insane Secret Bases in Minecraft…
PrestonPlayz · 18:59
Preston: Why did you make out with Pumbaa?

Joe Rogan Experience #2486 - Luis J Gomez
PowerfulJRE · 38:22
He did make out with an alien, right?

‘The Big Bang Theory’ but Penny Is the Main Character
The Big Bang Theory · 16:48
I WOULDN'T MAKE OUT with me, either.

Teaching Ironmouse How to Drive
ConnorDawg · 30:18
A rabbit trying to make out with someone?