Anyone or anything who acts, looks, or smells like a bacterially infected vagina, but most specifically a vagina with a yeast infection. Can also be used to describe any film covering or liquid that is damp, dirty, smelly, and soggy.
You sweltering scooch!
It smells like scooch in here.
There's scooch all over my ear.
the action of tailgating very tightly so no other car can get in front of you in a crowded situation on the road or parking lot after a game/graduation/etc
Seriously, did that guy just scooch me? Oh, I'm definitely getting in there and cutting him off.
Hey, you might want to scooch on up so that guy doesn't get in front of us.
Did that car just exhibit some scooching action?! Oh, no he didn't.