A vehicle that consumes a large amount of fuel(noun)
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Use "gas guzzler" in a sentence
"The Demoness Mentia went also, to make sure that they found a suitable gas guzzler and suffered no other problems."
"Redirecting subsidies for gas guzzler vehicles and highways toward promoting public transportation and zoning laws that discourage sprawl and create sidewalks, bike lanes, and public transportation, so people can reach the places they need to go without driving."
"What would an overindulgent gas guzzler want to trade for?"