potayto tomahto 

Pronunciation:
/póteɪtoʊ təˈmɑ təʊ/

Definitions:
1. (idiomatic) Used to suggest that two apparently similar things are actually different from each other.

2. (idiomatic) Used to admit that there is a distinction between two close things when the speaker previously maintained there was no distinction.

Etymology:
Uses American English and British English pronunciations of the words potato and tomato. Adaptation of the interchangeable sayings, “potato potahto” and “tomayto tomahto.” Parodied allusion to George Gershwin's song "Let's Call the Whole Thing Off": "You like tomatoes (/təˈmeɪtoʊz/) and I like tomatoes (/təˈmɑ toʊz/)".

Synonyms:
tomayto potahto

Antonyms:
potayto potahto, tomayto tomahto, same difference

1. “What was in that burrito?”
“Aluminum foil”
“Wait... I asked what was ‘in’ it, not what was ‘on’ it.”
“Potayto tomahto”

potayto tomahto by Clinton Brink November 1, 2017

Potato tomato french fry 

Usually used in a sarcastic tone, this phrase is to draw attention to two things that one person thinks is the same but clearly aren't.

My friend told me I needed a girlfriend so I named my Fleshlight Girlfriend, Potato tomato french fry.

Potato tomato french fry by TedStriker13 January 25, 2018

potato-tomato 

when you didn't know the real phrase and have been saying potato-tomato you're entire life

There is no difference man, potato-tomato.

potato-tomato by Nano1999 August 20, 2021

Tomato Potato 

A play on the term "Tomato, Tomahto".

Like saying "Same thing!" about two things that aren't the same at all.

Man 1: So, when are we going to watch the olympics?
Man 2: Dude, we're going to the X Games.
Man 1: Meh, tomato potato.

Tomato Potato by LicoNico December 7, 2010