Old pals' act British informal noun
Used to indicate that someone is using their power to favor or help their acquaintances
There'll be no old pals' act for John although he is my cousin.
She doesn't expect an old pal's act. She wants to prove her ability to everyone.
His job is an old pal's act from a friend of his father.
To give someone or something better treatment than others.
Daughter: So I really want all my friends to have a great time. I was thinking it would be a good idea to have some candy out on the tables for people to snack on.
Mother: Well, if you want them to really enjoy themselves, candy is dandy but liquor is quicker.