Top Definition
Originaly thought to be of arabic decent, it is now widly accepted that the word Gilfy (Gillfillius Maximus) is in fact of Greek origin. It is loosely translated into meaning "one who works at a stupid Canadian Pharmacy", or "Monster with the ability to vomit on demand and drink a 26 of gin". If you are lucky enough to make contact with a Gilfy while it is passed out face down under a picnic table, continue to tease the creature by poking it and throwing rocks
I wish Gilfy's wife wasn't such a nancy and hid my BB gun
by J-lew December 01, 2004
A word that means awesome or spectacular!
Damn that pot was gilfy, or that sex was gilfy!
by Gilfenstein December 30, 2003

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