JFB 

Just For Banter. A reason for doing something that makes little or no sense.

Joe: Ali, buy that iced coffee!
Ali: Why?
Joe: JFB

JFB by thatsthenuts101 September 19, 2011

jfb 

Jesus Fucking Bale, referring to Christian Bale's alias, Jesus Bale. (Sprung up from the Golden Globe Awards, where Christian Bale sported a Jesus-like haircut.)

Jfb, that whale is big.

jfb by dracolikesfire January 23, 2011

JFB 

Just a Fuck Buddy.

Suzzie: Are you dating Mike?

Alex: No, of course not.
Suzzie: then why did you leave his room at 4:30 this morning??

Alex: We fuck around, he is just one of my JFBs.
Suzzie: ohk!

JFB by I'll let you tap dat September 6, 2011

jfb 

just face book

person 1: Wuu2?
person 2: jfb
Meaning person 2 was just on facebook

jfb by angeljune December 24, 2011

JFB 

Junior fuck boys : any boy under the age of 18 that you know is going to be a fuck boy

"Yo josh is definitely a JFB"
"You look like a JFB"
"JFBs incoming!"

JFB by Thisuseriscoolerthanyou January 24, 2022

JFB 

In the Empyrean Series (a book series written by Rebecca Yarros), there is a character named Jack Barlowe. Often in the series he is called "Jack-fucking-Barlowe" (out of hate and anger). Readers made this into the acronym "jfb"

I fucking hate jfb he's the worst character in Fourth Wing

JFB by what. the fuck. May 3, 2024

John F blowjob (JFB)

When you cum in your partners mouth while he/her is giving you a blowjob

Him: oh yea im going to do a John F blowjob (JFB)

John F blowjob (JFB) by I had sex :) December 16, 2020