Wiktionary
fuck about
vb. 1 (context vulgar slang English) To waste time with unimportant activities, often used as an admonition to urge the other party to stop wasting time. 2 (context markedly vulgar slang intransitive English) To fool around.
Usage examples of "fuck about".
He couldn't give a flying fuck about Bryant and the report he would now be getting from the captain at the end of the campaign.
If youre going to fuck about with Torque, for Jabbers sake tell me now and Ill bid you goodbye.
Usually, the gun made most clients nervous, but Barbara Brown didnt give a fuck about my gun.