Loud and clear. From military erminology. Old radios had two readings. Loudness and clarity rated from 0-5. Thus five by five means literally loud and clear.
by huddaddy September 10, 2003
 Get the five by fivemug.
Get the five by fivemug. Term meaning everything is OK.  
The term comes from old radio slang. When communicating over radio, the operator would report the strength and clarity of the signal on a scale of 1 to 5 each. Therefore, if a radio operator described the signal as "five by five" it meant it was both loud and clear.
The term comes from old radio slang. When communicating over radio, the operator would report the strength and clarity of the signal on a scale of 1 to 5 each. Therefore, if a radio operator described the signal as "five by five" it meant it was both loud and clear.
by SpeedoMask August 11, 2003
 Get the five by fivemug.
Get the five by fivemug. by jayde September 15, 2004
 Get the five by fivemug.
Get the five by fivemug. "Five by five" was used in the film "Aliens" by the pilot during the dropship descent to LV-426 to denote that they were on course
by tonyhippy December 29, 2011
 Get the Five By Fivemug.
Get the Five By Fivemug. Originally an aeronautical term that is the equivalent to the modern "Loud & Clear". In slang usage, it means "great, fine"; popular in New England, it was made famous in "Buffy: the Vampire Slayer" from its overuse by the rogue slayer Faith.
by Sikozu Sta.-Ána September 3, 2003
 Get the five-by-fivemug.
Get the five-by-fivemug. by TripleNickle April 27, 2006
 Get the five and fivemug.
Get the five and fivemug. Taking someone to school in the art of foos by scoring on five consecutive shots -- the more variety the better. This is especially effective when done in the context of a booking, or when capped by a money shot.
Ain't nothing like going five-for-five against Pooch, nearly putting his eye out with the money shot.
by nickonov July 10, 2005
 Get the five-for-fivemug.
Get the five-for-fivemug.