[smoke] like a chimney

to smoke a great number of cigarettes

The idiom "smoke like a chimney" originated from the literal observation that chimneys emit smoke when a fire is burning within them. Over time, this phrase has evolved to describe the person who consumes cigarettes or other tobacco products at a high frequency, similar to the continuous release of smoke from a chimney. Here are five example sentences using the idiom:

Despite knowing the health risks, John continued to smoke like a chimney, lighting up one cigarette after another.
The doctor warned Sarah about the dangers of smoking, but she ignored the advice and continued to smoke like a chimney.
Tom's clothes always smelled of smoke because he smoked like a chimney, disregarding the discomfort it caused to others around him.
Jenny's grandfather was a heavy smoker who could smoke like a chimney and go through several packs of cigarettes in a single day.
After quitting smoking for several years, Mark relapsed and started smoking like a chimney again, jeopardizing his progress towards a healthier lifestyle.