Post-Fuck Munchies Share definition Flag The extreme hunger you experience right after a fuck session. Also known/abbreviated as PFM. "Man, that was a hardcore fuck sesh, I have a wicked case of the post-fuck munchies. You want pizza?" Post-Fuck Munchies by RebelFem April 21, 2014 0 0 Get merch Get the Post-Fuck Munchies mug. Buy Now — $32.95 See more merch