do stuff

To make out or hooking up.
see also do stuff and more

Dude, I'm going to do stuff with that broad later if she's drunk enough.

do the do

To do stuff and more

What does it mean to do the do? Uh, I think it's when you're with a girl and you do stuff and more

do stuff and more

Having sex with another person

Me and my girlfriend do stuff and more.