No its not what Israeli soldiers say to Egyptian soldiers! It's short for or as we say in Australia, it's slang for good day, or hi, or hello. We say g'day mate, well mostly the guys say mate. We also call mosquitos mozzies and university uni

HI, Good day !! ("g" day).

it means 1. (colloquial, Australian, New Zealand) hi, hello 2.(informal, North America, air traffic control) Denotes the end of a radio transmission Golf Golf Whiskey Golf, cleared the ILS runway one two, contact Sault Tower on one one eight decimal eight, g'day. cowboy...

It's what Israeli soldiers say to Egyptians soldiers on the battlefield before shooting them.