- a short, dull, explosive sound: the steady chug of an engine.
- to make this sound: The motor chugged.
- to move while making this sound: The train chugged along.
- to swallow (a drink) in large gulps or without interruption: He noisily chugged the entire bottle of water, then slammed it onto the table.She was just sitting on the bench, chugging away on a bottle of soda.
- a large gulp or swallow: He finished his beer in two chugs.
- a short dull sound, esp one that is rapidly repeated, such as that made by an engine
- (of an engine, etc) to operate while making such sounds