noun

• (vulgar) An act of sexual intercourse, especially one lacking passion or a feeling of sincere love.
  "I got a good fucking out of her, but I doubt we'll have another date."
• (vulgar, figuratively) An act of mistreatment.
  "I took a real fucking on the interest rate for that loan."

adj

• (vulgar, attributive) An intensifier, often applying more to the whole utterance than to the specific word it grammatically modifies.
  "No fucking way."
• (vulgar, attributive) Offensive, annoying or worthless.
  "Get your fucking car out of the way."

adv

• (vulgar) Really, very; having intensive force, often applying to the whole sentence or clause.
  "This is fucking ridiculous!"

infix

• (vulgar) Alternative form of -fucking-, used when the infix is put between two words.
  "New Fucking York."