Never use the f-word if you are under the age of 13. Strongly avoid using the word if you are under the age of 18. Using the f-word might get you in serious trouble if you choose to use it while still under 18 (especially in schools or official gatherings).
Formal social settings in which professionalism is expected, such as work meetings. Conversations with a person to whom you have a professional and formal relationship. An intent to use the word as a swear or otherwise offensive way towards the person you are talking to.
Example: I don’t give a f!/I don’t give a f!
Examples: “What a F-ing party!”/“XYZ is doing all the F-ing work!”
Examples: “XYZ F-ed the whole thing!”/ “He F-ed his business partner by selling the secrets of the company!”
Example: “XYZ parties too F-ing much. " (Added character by stating how much)
F-ed up: usually meaning messed up. F-ed sideways: denoting being in a generally bad situation.
Examples: Fanf-ingtastic! (Fantastic) Absof-inglutely! (Absolutely) Inf-ingcredible! (Incredible) Asf-ingtonishing! (Astonishing)