I want to sing it with half a smile. Other times I want to sing it straight. It is ambiguous. It's tongue in cheek, confused. After being foxed by the rest of it they get completely confused by Feeling Called Love because it's very camp.
People are already there, they already know what it's about.
We've been known to do it as an encore. It's about sexual exertion in any direction, really. If you see your boyfriend kissing a man. If you see your girlfriend kissing a man. It could be a woman or a man.