Top definition
A person who is very kind and honest. He keeps everything truthful and whole. He loves all of his friends and keeps enemies near as well. He knows how to make people laugh, and knows how to break an awkward silence. He loves good music and has a couple of dance moves. He is awesome overall.
Gillis is the coolest kid ever!
by clappingdog November 06, 2011
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2
Fag or a person who is so dumb that he couldn't wipe his ass himself, but the only talent that he has is very sad and dangerous and that is chugging energy drink from Sweden called nocco
by Nigohaterofthecentury69 September 06, 2019
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3
The term for any female slut that attends any highschool and has to use any of the following for attention:
1. Being pregnant two times a week.
2. Having "Lots" of sex.
3. Has every STD known to man.
4. Gets 'raped' in the band room.
5. Be approximately 14-16 and claim that you are 18 years old and go on blogging websites and post pictures of adult actress' because your contenance is so wretched a paperbag wouldn't even be able to do you justice.

A Gillis is also a longhand notation for a very and highly contagious sexually transmitted disease, Hepatitis G(Gillis).

Hep. G has three stages...
1. You are extremely horny and hideous as FUCK.
2. Your crotch turns into a contagion for deadly diseases and plagues.
3. You die.

Gillis is a plague that has ravaged Crivitz. Although there is no known cure for her, cans of Lysol have died valiantly trying to end the sufferings of her tyranical reign. She must be burnt and forgotten!
"Gillis, close your legs you filthy fucking whore!"
"Gillis, you're so easy a caveman can do you."
"Ya know, you're as loose as a glass of water"
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4
Homecoming king who gets concussed and doesn't come to school for 4 weeks (perhaps more), older women love him
Is that 18 year old dating a 42 year old woman?
Yeah, he's such a Gillis.
by mnhockeyfan October 16, 2019
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5
A Gilli is that one kid that is like 150 cm tall but still thinks that he can fight everybody
He is so dumb that he would probably write it Gillli instead of Gilli
His only talent is chugging a Swedish energy drink called Nocco and because of that he will probably die of a heart disease
by Thotslayer4206942069 September 09, 2019
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6
sam(aka freetard) is a gillis. also called SG(super gillis)
sam: whats a gillis?
jared: your a gillis
me: ZING!
by noha March 27, 2007
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