Fudge Packer Meaning

(slang, pejorative) A person who practices anal sex.

Example: Used other than as an idiom: see fudge,‎ packer.
2010 April 14, Trey Parker as Stan Marsh (voice), “200”, South Park[1], season 14, episode 5:
1991, Joe Keenan, Putting on the Ritz, New York: Viking, ISBN 9780670838776, OL 1566237M:
  How dare you talk to me that way, you fat old fudge packer!
1999 November 9, Robert Dingwall Zimmerman, Innuendo, Delacorte Press, ISBN 9780385323772, OL 7439208M, page 233:
  There was obviously no way in hell he was going to say he was homosexual, queer, a fairy, a pansy, a fudge packer, a corn holer, or whatever the kids these days said so easily but that not so very long ago all but equaled death, and in fact sometimes still did.