A guy you need to stay away from because all you can hear is MY NAME IS JEFF
by ElisePineapple January 19, 2020
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an actual nonce, he usually hangs outside the primary school waiting for unsuspecting 6 years olds to be snatched from their parents. His favourite game Is probably league of legends
Roadman: oi blud who’s that dickhead?
civilised human being: idk, he looks like a nonce
Other human: must be a Jeff!
by NoStep February 9, 2022
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Can be used as an adjective or verb when describing someone who is acting like a Jeff.
"You're acting like such a Jeff"

"That is just so Jeff of you"

"Can you please stop eating my Jeffing doughnuts"
by yourcrazyauntie123 May 10, 2023
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Jeff is old and grouchy, likes dogs but that’s about it.
Jeff is old.
by Dingo15 November 23, 2021
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An abusive father who hates his wife and his son. Cheats on his wife and takes money from his “family”
Wow man your a major Jeff!
by Micooler November 13, 2019
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The act of being incredibly fat. Often refers as a human pedophile. Frequent intake of loli porn.

Often talks in difficult vocabulary due to the frequent activity of drowning itself in movie marathons and fapping

Is gay.
Damn bro! shes like 10. You’re such a Jeff!”

“Ew, you’re so gay. Dont be a jeff.”
by dinthewhale October 26, 2022
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Bestest singer you ever heard very very very handsome. Steals yo mans and womanzz.
Gosh Jeff is a good singer. I wish I could be like Jeff how handsome
by Ebc1934 October 22, 2018
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