been around the world
Promiscuous to the most extreme degree imaginable. Much worse than been around the block and the subsequently stronger been around town and been around the country.
Person 1: That slut hasn't just been around the block; she's fucking been around the world!
Person 2: And with all the STDs she must be carrying, it's no surprise she still can't find her baby!
Person 2: And with all the STDs she must be carrying, it's no surprise she still can't find her baby!