Top definition
Abbreviation for "female-assigned at birth." Applies to any person who was pronounced female at birth based on genitalia. If a person is F.A.A.B. and identifies as a female, she is said to be cisgender. If a person does not identify as female, ze may identify as genderqueer, trans* or any number of other gender identities inside or outside the gender binary.
Sebastian is F.A.A.B., but he came out as male-identified when he was a young adult.
by Transman Jack August 14, 2011
Get a F.A.A.B. mug for your Uncle Jerry.
Sep 14 Word of the Day
Micro marriging is when your partner manages your personal day-to-day tasks with you much like a Micro Manager at work.
Wife: “Have you put the sheets out to dry and put the towels on?”
Husband: “Yes. You know I am a grown adult also used to live alone so you do not need to micro marrige me”
by Thomas Maddocks March 16, 2018
Get a micro marrige mug for your sister Beatrix.
2
An acronym for female assigned at birth. A politically correct way to refer to transsexual, transgendered, genderqueer, bigendered or intersexed people who were raised as girls.
Jake is intersexed and was FAAB, despite feeling like a boy inside.
by silentq October 27, 2010
Get a FAAB mug for your dog Sarah.
3
Noun. Acronym; means "Flat as a Board". Refers to an extremely flat chested women. Usually used negativly.
Verb. Describes an extremely flat chested women.
Can also be spelled faab, FAAB.

Prounounced like "fab" in fabulous.
Yeah, Elizabeth, she is a complete F.A.A.B.
by Ghettodude October 23, 2005
Get a F.A.A.B. mug for your papa Trump.