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Used as a term of endearment towards a friend or acquaintance. (Pronounced Gaw)
"Yooo, what up Gau?" or "Yo son, how you livin' Gau?"
by Jonny B Crazy August 14, 2008
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2
An unofficial interjection in the english language. Used to make someone feel dumb or awkward. Pronounced as "hau" in a really high pitched tone.
by Bret42 August 07, 2007
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Größter Anzunehmender Unfall, (trans: Maximum Credible Accident) is a German term used for nuclear accidents at approximately International Nuclear Event Scale (INES) - Level 4. Nuclear holocaust or Chernobyl would be a Super-GAU. Colloquially equivalent to WCS (worst case scenario), or when shit hits the fan.
When, whilst you are watching a mushroom cloud rise on the horizon that ugly girl from last weekend's party calls to tell you that you got her pregnant and that she probably gave you herpes, you know you are experiencing a Super-GAU.
by pme25 October 13, 2010
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4
Grab ass university. Characterized as being jagoffs and womanizers. hated by many
If there was a Grab Ass university, you would all have full scholarships.

That was so GAU when you burned that house down and cheated on your girlfriend.
by Connor Euler May 12, 2006
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5
Slang term for a lighter- the Gau Leiter was an administrative head in the Nazi Party

Oi Ed chuck us the gau!
by robat October 17, 2006
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