A facility in which sensitive electronics are manufactured by various cutting-edge techniques. Short for "fabrication facility".
Before entering the fab, you must dress yourself in a bunny suit to avoid contaminating the machinery.
by flamingspinach December 7, 2004

by W.L. Kelley April 4, 2017

by dddphilosophy November 12, 2017

another term for a fart...FAB...Floating Ass (or air) Biscuit. Pungent ass gas laid out quietly and a real slow creeper but an aroma that likes to Linger Longer.
We were chillin with some hot chicks last night and someone laid out a FAB...no one knows who but damn did it break the mood.
by Jahosephus Schnitzel September 12, 2009

HAHAHAHAHAHA! LOOK AT HER! she's fab!
by Bevvvvv February 25, 2009

The female version of fapping. Generally used to denote mastubatory sessions that fall outside of the female stereotype (soft music, candles, warm bath, etc.)
by Tortilla Factory May 13, 2005
