horse cock

noun4

1. •
   (vulgar) The penis of a horse or a similar equid.
2. •
   (vulgar, figurative) A very large penis.

   • Well, if anybody had a big cock it was Bill Woodruff. It was a veritable horse cock. — 1962
3. •
   (slang, vulgar) Nonsense, that which is illogical and lacks any meaning, reason, or value.

   • Don said it was all horse cock except they didn't want to lead off with a book of short stories no matter whether good or not. — 1925
4. •
   (slang, vulgar) Sausage such as baloney or salami.