USAF term for inexplicable visual phenomena.

1. An amazing band.
2. A mysterious ball of light that followed WW2 US planes sometimes know as "Kraut Balls", they were attributed to Japan, but could be of extra-terrrestrial origin

1) Unidentified lights in the night sky in WWII seen by some American fliers over the Pacific Ocean and Germany at night. "Foo" comes from a comic by Bill Holman. Not fully explained, but most likely a result of "Aviator's Vertigo."

2) A great, though uneven, rock band fronted by Dave Grohl, who may be the coolest thing that has ever been.

Fantastic band!

1. Musical band constructed in America, containing multi talented Dave Grohl, who can play several musical instruments. He is occupied by the rest of the group, who have earned a glowing reputation.

2. Maybe not as intriguing for some people, none the less, a ‘Foo Fighter’ was a type of Japanese fighter plane aimed to interfere with enemy’s ignition systems in battles. These planes were silent, and never engaged in hostile action. However, when not discovered, many people and scientists alike claimed they were Unidentified Flying Objects which paraded the sky during night time.

larc.

The greatest band in the world,
Purveyors of the greatest music around

Fucking greatest band to ever live. Ever.