1) An assshole who cheats on girls and breaks their hearts
2) A guy who is seemingly nice but will do anything to get in a girl's pants.
3) Fresh Fish.
1) girl: Jeffery left me for a girl he cheated on me with
2)girl1: I thought he was nice

girl2: yeah, well he's a jeffery
3)prison inmate: you hear about the fresh fish, Jeffery?
by HisKittyForInfinity January 4, 2010
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A pile of whale shit that eats anything it encounters.
My dog acts like jeffery when he's outside.
by Judah pikit October 24, 2020
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Who needs a God when they are a God.
Get you a Jeffery.
by Onlyrealvibes1 October 31, 2018
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JeffERY is not JeffREY. They are two different people. Jeffrey is known to be romantic and/or sexy. Jeffery is almost the exact opposite. Jeffery is often associated with the word furry since he happens to be a very famous one. He will spend most of his time indoors and is often anti-social. Don't try to reason with him or have conversation as he will entice to using his lack of intelligence to overpower you.
"That kid is not coming to the party. He just wants to stay home looking at furry porn. What a Jeffery"
by Staro August 7, 2017
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A lesbian
Someone who likes girls and is a girl.
One who likes the company of only girls.
The basketball team is full of jefferys.
Why are you being a jeffery.
Look at that jeffery staring at you.
You look cute today, no jeffery.
by El MLA September 2, 2010
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A nick-name given to someone lacking intelligence. An idiot.
You fucking Jeffery
by ThatGuy!!!! February 12, 2010
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