"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 devoted to a person, team, or cause. They are willing to go to great lengths to support their favorite and will often be seen wearing team colors, attending games, and engaging in other activities that show their enthusiasm. Die-hard fans are an important part of any fan base and can help to create a sense of community and loyalty.