intransitive verb
Definition: To move or travel while making a series of loud, explosive sounds, often like a train or engine.
Example: The old steam engine began to chug as it started moving down the tracks.
noun
Definition: A short, repeated sound that resembles a dull explosion, often made by a struggling engine.
Example: The old train made a chug as it slowly moved along the tracks.
transitive verb
Definition: To drink something quickly or in large gulps, often used informally.
Example: He decided to chug his drink before the race started.