When your supporting a friend that's interested a hoe-bag who:
1. Fucks them over constantly with other guys, most likely 2 others at the same time.
2. Emotionally fucks them over on the daily
3. Is a crusty used sock
4. Uses manipulation to cuckold them
5. Is lowkey mental
Then when things look fine and they are getting better, they both double whopper you and you get taken down in the carnage.
"Damn girl. You just got jeffed"
A super cool guy, super cool
"Wow he is so cool!"
"Yes he's totally a Jef!"
My lovely fox he’s so awesome and also. A fox
Selena: I hate jef
Me: I will peel your skin off and feed it to the pigs
Jef: (is fox)
the opposite of skeppy, usually is shipped with goodboyhalo, badboyhalo's opposite.
Hey have u heard of Jef? I heard its the opposite of our favorite youtuber Skeppy!
small kid that is annoying and it is never his fault
He is so annoying he must be Jef
(verb) to masturbate profusely in the company of others
I was trying to go to sleep but he just would not stop jeffing it.
When you can sleep in any class and still get your work done
Jeff created his own trend and now all the kids are jeffing in class