What does 'Shalom shalom' mean?
Shalom is the Hebrew word for peace. Shalom is used as a
greeting like "hello" in English. "Shalom shalom" is often used
like "bye bye" is used in English.
The repetition of a word is used for emphasis. Biblically,
'shalom shalom', has been translated, 'perfect peace' (see Isaiah
26:3). The thought is complete peace, total peace.