For some reason I've got 'Highly Strung' by Spandeau stuck in my head and that made me wonder about other people's nominations for crap couplets. My immediate two would be the above...
and Black Sabbath's
Any others?
She used to be a diplomat
But now she's down the laundromat
and Black Sabbath's
Generals gathered in their masses
Just like witches at black masses
Any others?