chug

1. (intransitive) To make dull explosive sounds.intransitive

2. (intransitive) To move or travel whilst making such sounds.Examples: "We were chugging along a back road when the engine cut out."; "The inn also offers adventure packages, including ziplining and a truck safari, where a military vehicle chugs up the side of a muddy mountain."intransitive

3. (intransitive, by extension) To move or travel at a steady, although not especially fast, pace.Examples: "Outside, beyond the sun-baked station yard, a rice mill chugged away in the distance, and sweating coolies unloaded bags of rice from creaking bullock carts."; "Before the year was out, the girls were out of school and the foursome's "Tell Him" was chuggin’ up the charts."; "As the escort carriers chug away south, their single 5-inch rear guns are now cleared to open fire as the range closes."broadlyintransitive

4. (transitive, colloquial) To drink a large amount (especially of beer) in a single action/without breathing; to chugalug. Usually chanted at the person who is drinking.Examples: "Chug! Chug! Chug!"; "I can't believe he chugged three beers."colloquialtransitive

5. (intransitive, video games) To function or perform with difficulty, typically due to inadequate resources or performance limitations.Examples: "My game chugs every time too many NPCs are onscreen."intransitive

1. (transitive, UK slang, derogatory) To solicit charitable donations on the street, particularly in a persistent manner.Examples: "I got chugged in the town centre today."UKderogatoryslangtransitive