gravity bong

Noun

 * 1) A homemade device used to smoke marijuana, consisting of a plastic jug with the bottom cut out and immersed in a vat of water, which is then raised to create a vacuum beneath its bowl of lit marijuana.

Translations

 * Finnish:
 * German:
 * Portuguese: baldada
 * Russian: гравитацио́нный бонг
 * Swedish: röka hink,