Verb - when someone says they will show up to an event, then does not.
Jeff is jeffing on my birthday party.
Getting totally rad uphills while getting stoked on pain
Andrew: Hey, fancy a jeffing session today?
Martin: Aye pal, sounds super rad...pure get our climb on
the process of utilizing one's position of power to influence one of lower status into acts of an explicit nature
A professor was jeffing the freshmen this semester.
the act of masturbating while using your own vomit as lubricant.
Dude, i jeff so much, i just got done jeffing and i need to jeff again.
section 8 slang- means "swingin on these nuts" or kissing ass.
you strait jeffin' my nigga- keep yo stupid tricks in tha traila.
To squeeze puffs of air out of your enormous man boobs to mimic flatulence.
When I told my brother that it was my turn to play World of Warcraft, he started jeffing at me and told me to go away.
A Kansas City term for "faking" or being fake in general.
" Yo George stop jeffing with Ben, you was just talking bad about this dude a few days ago."