Actually, it wasn't intended to be funny (not by me anyway) but a palimpsest of Nash's little ditty, updated for our ever so modern times...
But then again, with so many young women getting so bladdered on alcopops that they don't know what they're doing, rohypnol probably isn't necessary anyway.
And no, I don't approve of rape or rapists and have never understood what anyone could possibly get of such an act.
So there.