An adjective. It means to look halloween-like.
"That pumpkin does not look very halloweeny with those pink and blue spirals painted on it."
by Casey13 October 6, 2009
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a person in highschool or older who still goes trick-or-treating instead of going to a party.
Mike: Hey is Doug going to the party?

Andrew: No. He's going trick-or-treating with his little brother instead.

Mike: Wow... what a halloweeny!
by Sakebomb October 17, 2009
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A person who loves Halloween above all holidays. Halloween is their Christmas, Easter, Valentines and St.Patrick's day all-in-one. Of course this person probably dresses mostly in black, could be kinda scary themselves until you get to know them, makes cool props, decorates their yard and home like a haunted house and has no problem coming up with the most creative and original costumes ever to show up at a party.
(Definitely an interesting person to know in my humble opinion!!)
"My neighbor is a huge Halloweenie! His yard looks like Night of the Living Dead every October!"
by GhostFaceGirl February 8, 2005
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Someone who dresses up as someone/something based on an arcane cultural reference that no one would get, for the sole purpose of showing off how much of an intellectual they are
Guy1: So who are you dressed as?

Guy2: I am dressed as <insert unpronounceable name>

Guy1: Uh...

Guy2: Its from <insert arcane play/novel/movie>. I can't believe you have never heard of it.

Guy1: Dude, you are such a Halloweenie
by kitwalker October 28, 2010
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Describing something with an overwhelming Halloween aesthetic.

or/

Something that reminds you of Halloween.
That drawing of a pumpkin is pretty Halloweeny.
by Two Zac(h)s one cup October 11, 2011
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Holiday celebrated with “dick or treat”, and many latex ghost and birthday suit costumes.
Bobo texted his usual booty call to see if she wanted to have a Halloweenie party.
by HumaneAnimal October 31, 2017
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why can't goblins get witches pregant?
they have halloweenies.
by dick November 3, 2003
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