"The Nah, Yeah" - Royal Blue & Orange Corduroy Hat

What does "nah, yeah" mean?

Nah, yeah
interjection
Pronunciation: /nɑː jæ/

Definition:
Used to express agreement or affirmation; equivalent to “yes” in New York

• Lightweight corduroy front with 3D embroidered letters
• Lightweight corduroy brim
• Classic trucker mesh back
• Plastic snapback