pigskin

noun4

1. •
   The skin of a pig.

   • In addition, most gelatins made today are produced from pigskins, which are not subject to this consideration. — 2009
2. •
   Leather made from the skin of a pig.

   • Those killed fighting his troops would be buried in pigskins. — 2016
3. •
   (US, slang) A football.

   • To paraphrase a renowned pigskin philosopher, speed is not everything, it is the only thing. — 1998
4. •
   (vulgar, offensive) A white person.