Bedeutung von “chug” — Learner’s Dictionary

chug

verb us uk /tʃʌɡ/ present participle chugging, past tense and past participle chugged
chug across/along/up, etc

If a vehicle chugs somewhere, it moves slowly, making a low, regular noise with its engine:

A boat was chugging across the lake.

(Definition von “chug” aus dem Cambridge Learner's Dictionary © Cambridge University Press)