Chugging

To make dull explosive sounds.

To move or travel whilst making such sounds.

"We were chugging along a back road when the engine cut out."

To drink a large amount (especially of beer) in a single action/without breathing; to chugalug. People usually chant this at the person who is drinking.

"Chug! Chug! Chug!"

To solicit charitable donations on the street, particularly in a persistent manner.

"I got chugged in the town centre today."

The sound of something that chugs.