What is Party Ask?
1.
To ostensibly ask someone for a favour when in reality you are just informing them that you're going to do what you want regardless.
Comes from the fact that when you say to your neighbours "We're having a loud party Saturday night, if that's alright" it really means "We're having a loud party Saturday night."
"Fred just party asked me to borrow my lawnmower. He'd already gotten it from the shed!"
See