(idiomatic) Used to dismissively suggest that something is a distinction without a difference.
(idiomatic) Used to dismiss a correction to one's adherence to an alternative standard.
Origin of tomato-tomato
- Uses the American English and British English pronunciations of the word tomato. Allusion to George Gershwin's song "Let's Call the Whole Thing Off": "You like tomatoes (/təˈmeɪtoʊz/) and I like tomatoes (/təˈmɑːtoʊz/)".