1 definition by Kayleigh Hall

NayNay day is when the mythical NayNay Claus delivers presents on the night before (NayNay Eve) and hides them. NayNay day takes place on the fifth of October each year. You will see special edition NayNay Coke cans and movies such as "The NayNay Clause".
1: "Hey bro aren't you excited for NayNay Day?"

2:"I hope NayNay Claus brings me everything I want."
by Kayleigh Hall October 5, 2023
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