chug/CHəg/ Verb: 1. Emit a series of regular muffled explosive sounds, as of an engine running slowly. 2. Consume (a drink) in large gulps without pausing. Noun: A muffled explosive sound or a series of such sounds. Synonyms: verb. pant - puff noun. puff
Listen to metal and pay attention to the guitar. It will melt your face but, you'll know what chugging is.