An individual who commits a supreme act of disloyalty by selling out his/her friends or associates for thier own personal benefit.
Why be a Gillard for John?

I can't believe you would do that to me, you're a complete Gillard!

You're like a love-child of Judas and Gillard.
by GuyInJeansAndShirt June 30, 2010
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Liar, fraud, cheat. Someone who tells you what they think you want to hear, even if it's completely false.
"Remember that time I was bushwalking, and broke my leg and still managed to walk all the way home"
"Dude, you're such a Gillard"

"There will be no carbon tax under a government I lead"
- Spoken by a true Gillard
by QuietlyStanding June 2, 2013
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When a person or animal pushs in between two or more people to try and 'fit in', making it awkward.
Person A: Blah blah
Person B: Blah blah

A shy person walks quickly towards them, and squeezes in between them, not talking, making it really awkward.

The Gillarder: *nothing*
Person B: Woah, you just got Gillarded.
Person A: So did you. AWKWARD.
by Classic Wiggy July 1, 2010
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The last name of someone who is always lying to your face. They lie about things to people so that they feel sympathy for them in order for them to gain friends as they are poor at maintaining relationships otherwise. They lie about things so out of left field like lying about having mental disorders such as anxiety, depression, bipolar, anorexia, and bulimia. They lie out being assaulted, molested, and/or raped. They twist and turn their opinions faster than a cheetah runs, one minute they hate the idea of nudes then the next minute they're handing them out like lollipops. They also are known for being a fake friend, someone you never trust. You always have to watch what you say around these people, because eventually they will stab you in the back.
"That Gillard, he's always lying to your face. It's unbelievable what he gets on with."
by Daddy Jack February 15, 2019
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An expression used to describe someone fucking you over as they break a promise they had made earlier. Happens commonly with Australian politicians.
Rob: I'm really looking forward to starting UNI next year now that my gap years done!
Ben: Burn! I just saw the news, they've changed the rules; you wont get funding now 'cause ur a country bumpkin. You just got Gillarded!
Rob: WTF!
by I_H8_alp November 19, 2009
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Tricking an otherwise unobtainable girl into bed through the use of excessive alcohol.
Alec: I thought Katie didn't like him though?

Alex: He must have Gillarded her
by althekid1891 November 22, 2011
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