Chugging

Look up chug in Wiktionary, the free dictionary.

Chugging can mean:

• the practice of so-called 'charity mugging' a form of street fundraising
• To work steadily without exerting too much energy.i.e. to'Daniel's just chugging along on those tax returns'
• a form of rapid drinking.
• a type of rocket engine combustion instability when broken down