Mine is definitely x rated. I’ll give you a taste and then stop before I really offend. (BTW, there’s nothing personal. Any name with the right number of syllables could work in line 2.)
Hark the herald angels sing,
John Marfink has got no thing.
Peace on earth and mercy mild.
No more rape, no bastard child.
We have done the crime so heinous,
We have stuffed it > > > > >