liquifabulous Share definition Flag A term used to describe expensive real estate built on landfill that is prone to liquifaction in the event of a major earthquake. I just got back from San Francisco. My cousin has a liquifabulous place in the Marina. liquifabulous by PanPan70 March 18, 2011 0 0 Get merch Get the liquifabulous mug. Buy Now — $32.95 See more merch