A person, usually female, who has an obsessive attatchment to the movie Twilight and/or Stephenie Meyer's Twilight Saga. This person is someone who has taken a liking specific to one of the Cullen's, most commonly Edward Cullen.
Alyssa has plastered Edward Cullen's pictures all over her bedroom wall. Her friends refer to her as a "Straight-Up Cullenator".
by TheCullenator November 11, 2009
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Person 1: How was it last night
Girl: He didn’t tell me his name but he’s definitely a CULLEN
by TDAWG4 December 1, 2020
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A new religion based off the sappy Mormon-written Twilight series. It has no tax exempt status, very few members, a prayer ripped off from the Lord's Prayer, and the majority of the congregation are virginal girls (not of the hot kind, either).

Basically, cullenism is basically the Church Of Scientology except, would you believe it - their members are far more insane, you have to replace aliens with "sexeh vampires OMG TEAM EDWARD YAAAY!" and instead of being founded by a failure of a science-fiction writer, it's based off the masturbation fodder of a Mormon homemaker.
Girl 1: What religion do you believe in?
Girl 2: I'M A BELIEVE IN CULLENISM OMGTWILIGHTISSOGREATEDWARDISSOHOTDHIDHSfjhahfw
Girl 1: God, that is retarded.
Girl 2: YOU'RE JUST JEALOUS.
by R.Pattz December 19, 2008
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An amazing guy any girl would be lucky to be with. He is super hot and sexy and perfect. He is smart and funny. He can always make you smile and it's always a great time being with him. He is a fantastic kisser and you will never want to leave him. He is the best boyfriend that any girl could ever have. He'll make any day an adventure. He is also true to himself and to others. He will not hide who he is and who he is is the best person you can ever meet in the world.
"I met Cullen today, my life is complete."
"I am completely in love with Cullen."
"Cullen always makes every day great."
by LittleBloodyButterfly April 13, 2013
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To do something on purpose (not by accident) like you had a specific reason for doing it.
Chris cullen dropped the bar of soap with full intentions of inviting another man to insert himself into his rectal cavity. Afterwards when realizing what he had done by purposely dropping the bar Chris whines “Why is it always me getting screwed”
by dic fast July 27, 2009
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A man who is a bad mutha. Most likely a ninja or some other bad ass profession, such as porn star, elected official, super-athlete or even C.E.O. of your mom. Disclaimer: Will fornicate with any friends hot mom with out regret. A cullen is a cold blooded panty bandit with the future in his eyes and fire spewing from his mouth.

A cullen usually makes good money, certainly more than you, yet your not exactly sure how. An enigma will spontaneously combust if ever to come into contact with a cullen.

A cullen can be found in Public places such as cities, towns, or Canadian territories. A cullen can also be found in the isolation of the deep wild where he may be pondering ponderous thoughts of the very existence of time and space which would cause lesser men's heads to implode in the manner of a rather disturbing sucking sound.

I digress explaining a cullen any further would simply take away from the only pleasure you will know for the next 20 minutes. The basking in of the the thought of the very essence that is. A cullen.
Woman A: Hey do you see that hot guy walking this way?

Woman B: OMG he just checked you out.

Woman A: Umm I think I'm pregnant.

Woman B: Wow I think that was a cullen. Your such a bitch.
by cock craver April 15, 2013
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sexy man/boy; great boyfriend; perfect to the right girl; amazing in bed and aggressive; smart
I wish I could have a CULLEN!
I need a CULLEN!
by URBANDICTIONARY2345 February 13, 2015
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