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22.
One of the original names for UFO's spotted by pilots during WWII.

Also a modern alternative rock band which is where they got the name from.
There goes another one of them Foofighters
by Aaron A Scott May 15, 2008
 
23.
Someone who fights FOOs-Mr. T
"whoo dat crazy nigga wid da mo-hawk?"
"he da baaaddest foo fighter in da worl, mista T!"
by crowleypada January 04, 2010
 
24.
1. A band lead by Dave Grohl, which was formed after Nirvana broke up due to Kurt Cobain's suicide. This is that one rock band that everyone has heard but half of the people have no clue who made the song.
2. A person who "saw" UFO's during WWII
1. Guy 1: Whats that band playing?
Guy 2: That is the Foo Fighters

2. Great Grandpa: I DANG DUN MEAN IT BILLY I DUN SAW DEM DURN UFO WHOSHYJIGGITS.
Billy: No, you saw the band.
by The Top Percentaged Ratatta May 06, 2013
 
25.
The greatest rock band in the world at the moment, fronted by the world's biggest ROCKSTAR: Dave (Rock &) Grohl! Who is also perhaps the single coolest human yet produced here on earth.

Dave's former Nirvana band mate Kurdt Cobain is often refered to as a musical genius. 17 years later however it turns out that Dave Grohl is the true genius.
The Foo Fighters are UNREAL in concert!!
by B.L. ZeBOB October 23, 2011
 
26.
Foo is a doric (NE Scotland) word for drunk
A Foo Fighter is someone who can't handle their drink and ends up in a fight when they are drunk
After a few pint that boy turns into a Foo Fighter
by BigMc1965 May 18, 2011
 
27.
1.The Coolest guy Ever

2.A person that fights fools or noobs

3.A spectacular visual phenomena

4.A member of the group"Foofighters"
1.That guy is a Foofighter

2.That noob needs to be Foofighter slaped

3.WOW That was an amazing Foofighter

4.Ross is in Foofighters
by Mr.Josh February 22, 2005
 
28.
1.A name for a UFO during World War II.
Wow their's a big Foo Fighters
by Jon October 15, 2003