i Register
In some senses, fs is marked as US. Watch for register when choosing this word.
prep_phrase
Abbreviation of for sure.
noun
Initialism of fingerspelling.
Initialism of forward secrecy.
Initialism of French ship (a ship of the military of the Fifth Republic of France (used as a ship prefix)).
Initialism of forest service.
Initialism of full service (“full sexual activity in prostitution”).
verb
Abbreviation of fingerspell.
"I like your name; it's really easy to FS!"