NFL gum Posted in N Best definition NFL gum NFL = No Flavor Left. ABC gum, especially pink bubble gum, exhausted of its flavor, to be thrown out or left stuck under tables or desks. I’m spitting out this NFL gum. There’s no flavor left. How satisfied are you with the definition? Looking for NFL gum meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 14 times.