When your gut begins to throw a temper tantrum. Starting with biohazardous farts and slowly building to a terroristic level shit.
Dawg, I was in the middle of class when I started Jeffin'. It was brutal. 6 people died. I'm probably going to jail.
by BasedButt March 03, 2023
The act of kissing ass and/or brown nosing in a person's face when in actuality you really have ill feelings toward that person.Also, this is Kansas City Lingo, but a humongous single. Jeffin' is ass kissin', then talkin' trash, dissin'.
When you see me rolling up, stop Jeffin' stop Jeffin', they be like what's up? Stop Jeffin' stop Jeffin', yeah you. Stop Jeffin', we ain't cool. Stop Jeffin'.
by the_waitresss October 29, 2011
Person 1: "Yo, did you see Jeff Jeffin' at the party last night?"
Person 2: "Holy shit yeah! it was awesome!"
Person 1: "He did it so productively."
Person 2: "Holy shit yeah! it was awesome!"
Person 1: "He did it so productively."
by tybler June 26, 2023
Outdoor activity in Jefferson County Missouri, the greatest fucking county if them all. Often involves consumption of cheap beer (normally Busch Light). Most of these activities would be illegal anywhere else, but not in JeffCo, where you can do whatever the fuck you want.
by Bardbarian53 June 25, 2017
by Tasedorca June 29, 2017
The art of hiding from cops, enemies, or just anyone by finding the nearest bush and crouching or standing in it.
by Dr. Balbarian October 01, 2017
the act of kissing ass or brown nosing in a persons face when in actuality you have ill feelings toward that person.
being really nice to your boss to get that new opening that you want but behind his back you talk shit about him.
you - "hey boss did you get a new hair cut it looks great"
your boss - "bitch, stop jeffin'"
you - "hey boss did you get a new hair cut it looks great"
your boss - "bitch, stop jeffin'"
by t-ryder January 28, 2009