Used to tell someone asking for money or wanting to give money (usually online) to fuck off.
Bot: Hey cutie buy my onlyfans. ;) Limited offer of 80% off for a full month.
You: Bro, ass money balls!
or,
Perv: Hey there, I'm willing to give you a weekly allowance if you give me phone sex and be my online gf.
You: (traumatized) helllllll no ass money balls