dog's age[noun]Synonyms: age, aeon, blue moon, coon's age, donkey's years, eternity, long
[TahlilGaran] English Synonym Dictionary ▲
dog's age n.,
informal A very long time. Usually used after "for" or "in" with a negative.
Charlie Brown! I haven't seen you for a coon's age. Father hasn't had a night out with the boys in a dog's age. I waited for him for a dog's age, but he didn't come. Synonym: MONTH OF SUNDAYS.
[TahlilGaran] English Idioms Dictionary ▲