29
A real asshole! He flirts with your girlfriend, and next thing you know, she leaves you and runs off with him! Beware of Greg's! They have a natural ability to hypnotize people (especially women) into doing what they want! They use tactics that are not approved of in the most advanced civilizations! Such as preternatural tricks of drugging women, and tricking them into becoming the Greg's mental slave! Or, being super nice, and super fake, which convinces most women, he's "a good guy"! Greg's are usually ugly, brutish, disfigured phantom men, who pray on younger girls and women who are 5-10 years their junior! Greg's simply want to shoot their demonic seed into as many women as possible to over run the Earth with demonoid bastard children, so as to solidify their empire! Greg's are all evil! Avoid like the plague!
(Girlfriend): Who's that guy over there? Do you know him?
(Boyfriend): No idea, never met him before in my life!
(Greg): Hey I'm greg, you want some drugs to get high?
(Boyfriend): No thanks...
(Girlfriend): Yeah sure!

20 mins later, Girlfriend and Greg are swooning over each other in the most vile ways, while Boyfriend is left alone sulking over his stolen love!
by Zero$ September 09, 2014
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30
More than likely will do it in this order: ass, mouth, hair. Homewrecker....
That dude just totally Gregged her, and now her husband is suicidal.
by Nickie11 December 12, 2010
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31
Someone who is constantly boning Justin’s sister every day. Enjoys Korthuis buns with hot icing on them for breakfast, lunch, and dinner.

does not need rest cause (he) is an animal.
what? you and Kirsten?! you Greg!
by meanjeans.debruin January 10, 2011
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32
To Greg - Fall badly, face first
Gregged - Fell badly, face first
Connor took a Greg and really hurt himself. He was lucky he didn't lose his teeth.

What happened to Connor?
He Gregged!
by ConnorThe Ghost November 02, 2011
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33
Awesome kid with a fucking huge dick that penetrates any bitch with maximum brutality,and is just a great person
Man:That greg is fucking awesome
Woman:especially in bed, I can barely walk after last night!
by Awesome gman June 14, 2014
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34
A friend's hot boob that creeps into the side of pictures.
She's got a greg.
by TheRealDeal86 August 13, 2008
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35
A pussy who doesn't like to wrestle
Greg is a pussy.
by 11111ffffff December 07, 2016
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