What is Douche-a-palooza?
1.
1) Gathering of douches in a secluded area.
2) Party in which the only people that show up are complete douches, making the party very douchelike.
1) "Look at that douchey douche-a-palooza of douches over there douching it up."
2) "Where is everyone?!?!? God, this party is such a freakin douche-a-palooza!"
See