Greg

A boy who sucks donkey testicles, with his panties in a bunch.

God damn Zak, get your panties out of a bunch before people think your Greg.

by blisteredotter February 06, 2010

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Greg

(Noun)
A small penis

(Verb)
To have your penis shrunk by lack of use

Billy has a Greg

Billy uses his dick so little, it has gone Greg.

by moop1@1 April 28, 2008

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Greg

A person who throws up after/during every party where people are getting intoxicated. Even if there isn't any alcohol around he'll find a way to vomit all over your mom's expensive Persian rug.

P1: What happened to my mom's Persian rug?

P2: Looks like Greg pulled a fast one.

P1: But it was only my sister's sixth birthday.. My dad was the only one with alcohol and all he had was a glass of wine!

P2: Greg always finds a way...

by Chestertonsvilleshire April 22, 2009

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Greg

A pretty loving guy...

Wow I think Greg is kinda nice

by Greg Norman December 26, 2016

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Greg

Greg usually meaning asshole.

Greg is someone who will talk a girl up and then use her. known to sleep with girls and then date them for a few months only to find another girl to call her and bitch her out. He usually likes it in the ass and is a cowardly pussy.

by ak47bitch June 03, 2009

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