Akademik
firs - Food
first preventers
first-mover advantage
first-person shooter
fiscalamity
fiver
fixie
flame
flame sandwich
flash campaign
flash crash
flash crowd
flash mob
flashpacker
flat daddy
flat-tax ethics
fleshmeet
fleshwriter
flexecutive
flexicurity
flexitarian
flexivore
flexplace
flirtationship
floatel
flog
floordrobe
floortime
Floridization
flotsametrics
flu day
fluffragette
flunami
fly-in community
flying while Muslim
flyover country
Fogust
FOI-able
foliologist
folksonomy
FOMO