Red-white-and-blue Definition

noun
(US) Flag of the United States of America.
Wiktionary
(UK) The flag of the United Kingdom.
Forget not the boys of Kilmichael those brave lads so gallant and true./ Who fought 'neath the green flag of Erin and conquered the red, white and blue.
The Boys of Kilmichael, Irish Song, Author unknown.
Wiktionary