OFB

Online Flirt buddy. One with whom one has some degree of cybersex.
A common four-letter word starting with F is frequently substituted for Flirt.

Her OFB got cold feet when he heard she was coming to town.

by scotte61 September 6, 2006

OFB

Noun. acronym for the "Open for Business" sign - as in, eagerly seeking a relationship with the opposite sex. Most typical of single females in their mid to late 20's when their apparent lack of wanting to be alone becomes apparent to the untrained eye.

Dave: "That's weird, Eve just asked if I want to go to lunch on Wednesday. Didn't she just get out of a relationship with Adam?"

Russ: "About a month ago, and I had lunch with her last wednesday. Her OFB is in the window."

by Spike83 August 17, 2008

OFB

Official Fuck Buddy

Guy or girl who you use for sex only is your OFB

by xoxoK May 12, 2011

OFB

Obese Fat Bitch

Daityn is such a OFB

by Garrywithorpe June 2, 2018

OFB

oh fucking balls

OFB I have a test tomorrow that I haven't studied for yet. Im fucked

by hayder9990 July 8, 2011

OFB

Noun: The acronym OFB stands for the term Old Fake Boobs. It is used to describe implants that were implanted a long time ago, and look very fake. Fake boobs that look like stretched out water balloons. This is commonly seen among frugal, white, female dancers who have PMS and are addicted to alcohol, Xanax and Prozac.

Brian: "Hey Kyle, Lindsay K. is OFB!"
Kyle: "She should have gotten a nose job instead! hahaha"

by Coronas69 June 2, 2013

OFB

Obssesive Facebook Disorder

you have OFB

by facebookthy May 20, 2009