Slang term for the NFL because they are no fun (strict uniform rules, many rules for touchdown celebrations, etc.)
Spells out NFL, just like "National Football League."
Man, the NFL is turning into the No Fun League.

I know, right?
by archiegraham May 7, 2011
Shadowy group of lawyers and overprotective mothers who seek to rid the world of joy by labeling fun activities as dangerous.
"The rope bridge over the ravine is fenced off now??"
"Yeah, the anti-fun league strikes again."
by emmettl March 11, 2008