verb
(intransitive, literally) To have sexual intercourse; to copulate.
(transitive) To put in an extremely difficult or impossible situation.
(transitive) To defraud, deface, or otherwise treat badly.
(transitive, usually derogatory) Used to express great displeasure with, or contemptuous dismissal of, someone or something.
(transitive, usually followed by up) To break, to destroy.
Used in a phrasal verb: fuck with (“to play with, to tinker”).
(transitive, Ireland, UK) To throw, to lob something. (angrily)
(transitive, Singapore, Hong Kong, Malaysia, India, South Africa, Australia, New Zealand, military slang) To scold.
(intransitive, slang) To be very good, to rule, go hard.
noun
(countable, literally) An act of sexual intercourse.
(countable, literally) A sexual partner, especially a casual one.
(countable) A highly contemptible person.
(countable, chiefly in the negative) The smallest amount of concern or consideration.
(uncountable) Semen.
interjection
A semi-voluntary vocalization in place of a gasp.
(colloquial) Expressing dismay or discontent.
(colloquial) Expressing surprise or enjoyment.
adverb
Used as an intensifier for the words "yes" and "no".
(UK, Ireland) Used after an inverted subject pronoun and auxiliary verb or copula to emphatically negate the verb.
particle
(vulgar, slang, especially African-American Vernacular) Used as a shortened form of various common interrogative phrases.