Wiktionary
phr. 1 (context vulgar slang English) Used after interrogative pronouns as an intensifier to express anger, frustration, incredulity, or other strong emotion. 2 (context vulgar slang English) Used after verbs forming a part of a phrasal verb as an intensifier to imply aggressive emphasis. 3 (context vulgar slang English) Used as a shortened form of the common interrogative phrases. 4 (context vulgar slang English) Used to emphatically express that something isn't true.
Usage examples of "the fuck".
I shall never forget it, short as the fuck was, it was one of the most enjoyable I remember.
He leaves the subject of what the fuck's going on with the Dentist open for speculation.
We want to back a strong guy who'll come down hard on all this agitation and civil unrest and stand firm in Vietnam, as well as leave us the fuck alone.
He met Howard Hughes and started bird-dogging for him, picking up star-struck farm girls, ensconcing them in the fuck pads the big guy had set up all over LA.
Well, whatever the fuck it was, it wouldn't have been in the safe if it wasn't valuable.
In the company of the good ol' boys talking about news he'd not listened to in months, and the quality of last night's steak, and the fuck they'd had, or failed to have, after the steak, and what the summer was going to bring, he felt himself a total stranger.
I'll jump these sonsofwhores one at a time and run em right the fuck over the edge.
And what the fuck was I doing taking drugs if I was going to be a lawyer.
It isn't much, but it's mine and while you're here you will do what the fuck you're told.