An insult used to describe a mistress or ho that provides a lousy (albeit free) piece of tail.
Similar to a booty call although the snatchpatty is not attractive and has no other redeeming qualities other than availability and cheapness.
She ain't my baby mama, she just my snatchpatty.
He won't commit to her, she's just a snatchpatty.
When you want your friends to be nice to one another but not to the point of extending that acquaintance into another independent friendship that does not involve you as the original friend of both parties.
Ex. Sher introduces Alison and Gillian because she wants them to be nice to each other so they can hang out in a group setting without conflict but she feels FRIENDJEALOUS when she finds out a week later than Gillian and Alison have gone shopping together without her.