/ Dictionary / Index G gas-guzzler tax: Meaning and Definition of Find definitions for: gas'-guz"zler tax" Pronunciation: [key] a tax imposed on the purchase price of an automobile not meeting fuel efficiency standards. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gas-guzzler gash Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language