(noun, IPA: /ˈpɛttʃi)

Australian colloquialism for a petrol or gasoline station
"Ohh mate, I was just at the petchy in Newfy (Newfarm) buying some creddy (mobile telephone credit) for me phone".
by walcpot August 17, 2012
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A build up of anger over absolutely nothing. This anger at peak will turn the entire head the deepest beetroot red known to mankind and look like it is possibly emitting more heat than a supernova. Is often accompanied by the steady muttering "aha mmhu, aha mmhu" warning those nearby of the pending cataclysmic events to come.
The moment he saw that he was going to be asked you do something he just went off on a mad petchy.

Or

He'll have a heart attack going off on a mad petchy like that all the time.
by Mush1234 December 4, 2021
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