From The Enigma
NPL Magazine - Feb. 2012
EWOLF (adapted)

While driving my nephew to Boy Scouts,
I noticed my car horn was broken.
I halted and then the lad did fix it
And said to me, "JUST TWO WORDS
   SPOKEN."

[What were the two words?]

HINT:
Think of the Boy Scout motto.

Answer:

Beep repaired  (Be Prepared)