to drop anchor in poo harbour
to have homosexual (male) sex
to drop anchor in poo harbour:
Alan: I'm sorry Fred, I'm not sure what you mean about Peter...
Fred: Well, let's just say he drops anchor in Poo Harbour.
Alan: I'm sorry Fred, I'm not sure what you mean about Peter...
Fred: Well, let's just say he drops anchor in Poo Harbour.