fm face Share definition Flag "Fuck Me Face". The face you give a person to alert them that you are down for sex. This face gives them a preview of what is to come.. (girl 1) "I really want Jimmy tonight." (girl 2) "Give him your best fm face" fm face by jesexicuh October 28, 2008 0 0 Get merch Get the fm face mug. Buy Now — $32.95 See more merch