Why should "Drunken Johnnies" be offensive, for Pete's sake?
"What shall we do with a drunken sailor" is, and always has been, very popular with youngsters.
If you must be PC, give up singing altogether, and listening, too, dammit. (not aimed at you, Melani. Just PCers in general)
I do get bloody annoyed when creativity and the enjoyment of song (or anything else for that matter) is ruined by the PC brigade!!!

Rant over, back to my medication.