Everyone will want to be your friend. Until you throw up on them.

Giant Mimosa Glass

Get an XXL wine glass here for $12.

Dual Tank Drink Dispenser Backpack

With dual canisters and a cup holster, you will be a parking lot hero. $39, available here.

Get a set of 3 for $15 from Restoration Hardware.

For the dedicatedly resourceful, a recloseable juice pouch can be transformed into a disposable flask with the right size funnel.