Combination of 'deposit' and 'down payment'
When you put these two words together, there's no telling what unstoppable force you have unleashed on the economy, as well as the world. Best used during recession, as well as children's parties.
Lisa: Yo, I just put a downposit on my new car.
David: Why in Allah's name are you buying a car when gas prices are so high?
Lisa: Are you even Muslim? You have a name of Jewish origin.
David: I'm half Chinese actually, I still disagree with the downposit.