"Die-hard fan in modern lingo" NYT crossword answer is:
STAN (4 letters length)The answer for "Die-hard fan in modern lingo" crossword clue is listed above to help you solve the puzzle you are currently working on.
A die-hard fan in modern lingo is someone who is extremely passionate and dedicated to a particular person, team, or cause. They are willing to go to great lengths to show their support, such as attending every game or event, wearing team colors, and showing up to rallies and protests. They are also often seen as the most vocal supporters, often leading chants and cheering the loudest. Die-hard fans are an important part of any fandom and their enthusiasm and dedication can be contagious.