plural of F

(euphemistic) The word fuck (or inflected forms like fucking) or fucker. / (euphemistic) The word fag or faggot.

(euphemistic) To use vulgarities, especially the word fuck.

(chiefly Britain) Alternative spelling of sweet FA

Initialism of fleeing and eluding.

Initialism of regular and frequent.

(dated) essential fatty acids

Abbreviation of Nyassaland Force, used as an overprint in 1916 on the stamps of the Nyassaland Protectorate for use in occupied German East Africa

(photography) The ratio of the focal length of a lens to its diameter; a measure of the light-gathering ability of the lens.

(music) a clef which indicates the position of F below middle C in a given staff