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Having eagerness or showing enthusiasm towards something.
"I am so gilly for a night out."
"Wow, Anna is really gilly for Alex tonight."
by annapea October 17, 2011
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2
An insult the equivalent of "idiot", "prat", "knobhead" etc. used in Gloucestershire, UK.
Sonny: I didn't mean to break it.
Josh: You're such a gilly!
by JoeyJoeJoington February 08, 2011
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5
Marijuana (weed), a term evolved from the Harry Potter series for a magical plant: Gilly Weed.
Man I be jonesin' hard for some gilly!

or

Find out if anyone has any gilly we can pick up.
by Mack Millie April 30, 2010
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7
Gilly: A hardcore drug abuser/tweeker. An old, run down, obvious, drug abuser of the methamphetamine type.
All night long that gilly across the street was working on his car. I think he's still going.
by Erik Murray August 25, 2008
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