Related Clues:

• Drink really quickly
• Train-engine sound
• When repeated, party cry
• Dull noise made by an engine
• Chant at a kegger
• About to hold drink
• Throw down the hatch
• Down in one gulp, say
• Finish all at once, in a way
• Train syllable?
• Choo-choo sound
• Drink in one gulp
• Guzzle down
• Quickly down
• Noise of a slow engine