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1.
Slang term for a follower of the Jewish faith.
Will Henderson is definitely a red sea pedestrian. Watch him light the menourah.
de Clay 30 avril 2003
 
2.
An obscure slur against Jews hinting at their escape from Egypt across, you guessed it, the Red Sea.
Malachi is such a Red Sea pedestrian.
de WFM60 7 septembre 2009