A term used to describe lesbians, based on the slippy fingers they get after pleasuring one another.
"Did you hear? Apparently Becky's a lesbian now."
"Haha, what a Slippy"
The husband of the lunch lady, trying to hold on while she gushes..
Yo dawg, that girl's hot, you know her?
Yeah, she's Slippy Joe's.
That little puddle of piss on a French fountain
"ah shit I sat on a slippy fontaine, now piss will be in my pants for years!"
When your erection isn’t hard enough to achieve penetration and just skids around in the love juices
Sorry love, I’ll try again in a while. I think I’ve got a slippy Mick.