Green’s Dictionary of Slang

have been around v.

to be experienced sexually; if used of a woman, usu. derog.

[Aus]D. Stivens Jimmy Brockett 104: I’d been around, so I stopped and just talked for a bit. But when I tried again she set up a yelp.
[US]J. Thompson Swell-Looking Babe 82: She’s been around, she knows what the score is.
[Aus](con. 1944) L. Glassop Rats in New Guinea 19: He’s been around. He knows.