Goose up

To pluck up the courage to do something.
Can also be used as a way to say, ‘listen to me’

Come on go talk to her, goose up man, just ask her.

Goose up, I’m tryna talk to you.

I’ve gotta just goose up and ask him out.

Goose up boy, get up there!

Goose up man!

Goose up bro

Goose up girl, you got it