Slide off

A man or woman who you sleep with occasionally on the side of a committed relationship. Example : mistress, side chick, secret lover, friend with benefits on the low.

I was with my slide off when wifey called and I had to stop out for a minute.

sliding off the sewer

Another way to say "committing suicide", mostly used in a joking manner.

This is derived from the word 'Sewerslide'

Person: I'm sliding off the sewer!
Person 2: Wait no don't do that

Slide off of your tray

To inhale smoke of a pill tray

"Can I get a slide off of your tray bro"? I got a dollar for a slide bro!!