To divide into two or more branches.
A road, a tree, or a stream forks.
To move with a fork (as hay or food).
To spawn a new child process in some sense duplicating the existing process.
To split a (software) project into several projects.
To split a (software) distributed version control repository
To kick someone in the crotch.
To shoot into blades, as corn does.
To bale a shaft dry.
Division into forks
the forkings of a road, or of a deer's antlers
To have sexual intercourse, to copulate.
Fighting for peace is like fucking for virginity.
To have sexual intercourse with.
To insert one’s penis, a dildo or other phallic object, into a specified orifice or cleft.
To put in an extremely difficult or impossible situation.
I'm afraid they're gonna fuck you on this one.
To defraud, deface or otherwise treat badly.
I got fucked at the used car lot.
Used to express great displeasure with someone or something.
Fuck those jerks, and fuck their stupid rules!
(usually followed by up) To break, to destroy.
To make a joke at one's expense; to make fun of in an embarrassing manner.
To throw, to lob something. (angrily)
He fucked the dirty cloth out the window.
To scold
The sergeant fucked me upside down.