A clever abbreviation for a fat/ugly chick that you only have sex with when extremely desperate or too drunk to care.
No wonder you're not being satisfied in bed dude... you keep fucking F.U.Cs, you need to bang broads you're actually attracted to.
A combination of the words ridiculous and meticulous. Meaning ridiculously meticulous. An adjective describing a person that pays an incomprehensible amount of attention to detail and precision.
Johnny's dance moves are so utterly precise and perfected that he's bordering on reticulous.