B.Y.O.N.A.D
Bring Your Own Non-Alcoholic Drink, a trend that started because the kids were too broke to buy drinks and just wanted to save their allowance.
I had to bring my own soda to the party because I didn't have enough money for a drink.
My friend used her lunch money to buy a soda and brought it to the party.
I had to bring a juice box from home because I didn't have a dollar.