sfb 

stupid fucking bitch

Girl 1: Like omg, like how are you like yeah?

Girl 2: Shut up you sfb

sfb by babyunny September 26, 2008

sfb 

1) Saggy Fucking Balls
2) Shit For Brains

1)
Tim: I have sfb.
Joe: Why the hell would you tell me that?
2)
Tim: Because I have sfb.
Joe: Yeah you do.

sfb by Renlix Begul October 30, 2007

sfb 

Spoiled fucking brat

My stepson is a sfb

sfb by azncinderella August 28, 2011

SFB 

smoke. fat. blunts.

sfb all day!

SFB by da cheeba farmer March 1, 2009

sfb 

(skull fuckin' boots) similar to bfb's. instead of tim's or o.g. construction boots, they are them high black hooker boots. thems get laced up real high almost up to the knee. grab a bitch and skullfuck her.

"ey theys aint no normal boots, thems is sfbs. im bout to grab that bitches hair and shove my cock into her mouth"

sfb by wodeee December 3, 2006

SFB 

Acronym, stands for Shit For Brains. Describes a person who is unbelievably stupid or idiotic.

*Man answers a question incorrectly*
*Mans friend shouts at first man*: SFB!!!!

SFB by Ninjacammykins September 9, 2010

SFB 

A cute acronym that means So Fucking Bitchy.

She just hung up on me. That was SFB.

SFB by Natatatatat December 22, 2009