The words "Get Out Of Here" spoken in a one sylible word. Generally used by lazy people who can say a full sentence.
When Spano asked for a free bagel, Gario told him to Gheowdaeah!
When Joe's dog kept bringing him the ball Joe Shouted "Gheowdaeah with that ball!
One syllable slur of the words "get out of here."
After my shit-head friends drank all my beer I said Gheowdaeah!