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.
How's my signal?
Five by five.
Behind. From aviation terminology where 12 oclock is straight ahead and 6 oclock is behind.
Bandits on my six!
Free Daily Email
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from email@example.com. We'll never spam you.