A simple expression standing for "Is it not?" Most commonly used back in 2012, it still carries on today and could be considered a slang word.
It's a lovely day, isn't it?
Isn't it a great day to go outside?!
Is it not could be said as isn't it, isn't it?
Isn't it a great day to go outside?!
Is it not could be said as isn't it, isn't it?
by FireController#1847 April 20, 2016
by FireController#1847 January 17, 2021