attach yourself
From the italian "Attaccati al cazzo!" and literally translates to "Attach yourself to this dick!". Could be used in connection to stay beef and mainly used to roughly refuse to answer to anyone you want.
Person 1: "Could you please borrow me 50 bucks?"
You: "Attach yourself and stay beef!"
Person 2: *Laughing*
You: "Attach yourself and stay beef!"
Person 2: *Laughing*