FUCK, verb (taboo, slang) 1 to have a sex with sb 2 a swear word that many people find offensive that is used to express anger, disguist or surprise:
e.g. Oh, fuck! I've lost my keys; Fuck it! We've missed the train; Fuck you - I'm leaving.
IDIOMS
fuck me - used to express surprise
phrasal verb: fuck around (BrE also, fuck about) to waste time by behaving in a silly way; help - a more polite, informal way of saying this is mess about (BrE) or mess around (NAmE, BrE)
fuck sb around (BrE also fuck sb about) to treat sb in a way that is deliberately not helpful to them or wastes their time; help - a more polite, informal way of saying this is mess sb around/about (BrE)
fuck off (usually used in orders) to go away: e.g. Why don't you just fuck off?
fuck up - to do sth badly or make a bad mistake: You've really fucked up this time!; help - a more polite way to express this is mess up.
fuck sb up - to upset or confuse sb so much that they are not able to deal with problems of their life: e.g. My parent's divorce really fucked me up.
help - a more polite way to express this is mess sb up.
fuck sth up - to do sth badly or spoilsth: I completely fucked up my exams. help - a more polite, informal way of saying this is mess sth up
fuck with sb - to treat sb badly in a way that makes them annoyed: Don't fuck with him. help - a more polite way to express this is mess with sb.

FUCK, noun (also taboo, slang) 1 [usually sing.] an act of sex 2 the fuck is used for emphasis, or to show that you're angry, annoyed or surprised:
e.g. What the fuck are you doing?; Let's get the fuck out of here!; Don't give a fuck.
IDIOMS
not give a fuck (about sth/sb) to not care at all about ab/sth
fuck all - a phrase that many people find offensive, used to mean "none at all" or "nothing at all": e.g. You've done fuck all today; Theese instructions more fuck all sense to me
DERIVATIVES
fucker - a very offensive word used to insult sb
fucking - a swear word that many people find offensive that is used to emphasize a comment or an angry statement: e.g. I'm fucking sick of this fucking rain! He's a fucking good player.
fucking well - (especially BrE) used to emphasize an angry statement or order: e.g. You're fucking well coming whether you want to or not.