Green’s Dictionary of Slang

to have a sexual relationship (often used to suggest promiscuity).

1931		H. Miller Letters to Emil 76: I fucked around with this one and that.
1942		H. Miller Roofs of Paris 201: Does she know that you’ve been fucking around with her father?
1967		M. Braly On the Yard (2002) 258: ‘You can’t be fucking around with no woman,’ Stick said severely.
1978		L. Kramer Faggots 39: His current lover’s penchant for fucking around elsewhere.
1988		D. Woodrell Muscle for the Wing 86: Do you think Ronnie fucked aroun’ on you?
1994		J. Wambaugh Finnegan’s Week 317: So he’s out fucking around on you too, huh?
1997		E. Little Another Day in Paradise 213: I don’t fuck around, Bones. I got an old lady.
2005		M. Doner Infinite Darkness Infinite Light 23: Basically it [i.e. a memo] says, ‘No fucking around with the students.’.
2005		Jade LB Keisha the Sket (2021) 48: I had been fuckin around with this guy 4 abat 2 montths.