Obama is the fourty fourth president, therefore he will be refered as "Fo-Fo" (4-4) on the streets of America.
by PleasureCatcher January 20, 2009
by Barbarella11 December 20, 2010
The acronym for a person who is Full of Shit. When someone is constantly telling outrageous lies, typically about themself, in order to impress others.
"Did you hear that FOS was offered a full scholarship to Harvard, but turned it down to be a UPS driver?"
by Quinn Littles May 14, 2009