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One who is either molested by their father or engages in deep intercourse with animals regularly. It can also mean having sex with multiple male partners at the same time.
"He has been Greggin it with that dog all night"

"There is about a bakers dozen worth of men in there Greggin it with Greg"

"He grew up Greggin it with his father most of the time"
by Bowser the awesome dog November 07, 2009
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Jul 1 Word of the Day
sending two texts in a row without a reply inbetween.
Rachel: whats up?
Tessa: not to much! hbu?
Tessa: dude, i'm so bored.
Rachel: stop double texting me.
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The act of doing things well but not great.
I told him he hit a good golf shot but he was just greggin it.
by yungpeezy07 March 27, 2015
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