Na Foo Share definition Flag Introduced by a guy named Hector in Retama Hall. Often used to describe the word "NO FOOL" but in a 'Cool' n 'Funny' manner. Jeremy: Hector, Did you break your ankle? Hector: Na Foo. I sprained it. Na Foo by Bitchass People October 16, 2009 0 0 Get merch Get the Na Foo mug. Buy Now — $32.95 See more merch