No, it means like, Hey, baby, slip me some skin.
4 seconds sound clip from the Good Morning, Vietnam movie soundboard.
You can hear this line at 00:31:07 in the Blu-ray version of the movie.
Quote context
[...]
- Hey, excuse me. I would like to buy some cheese and some butter.
- Basically, we talk, Hey, man, what's happening?
- You look hip today. Slip me some skin.
- No, it means like, Hey, baby, slip me some skin.
- It's a greeting. It's like, How are you doing? Nice to meet you. Slip me some skin.
- Yeah, now, then you say, Groovy, yeah. Say that.
- Groovy.
[...]