[ fish-skin ]
/ ˈfɪʃˌskɪn /

noun Slang.

a condom.
a dollar bill.

Origin of fishskin

1645–55, for literal sense; fish + skin Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fishskin

  • In summer their clothing is of sealskin and fishskin; and in winter it is of the thicker reindeer hides.

    A Treasury of Eskimo Tales|Clara Kern Bayliss
  • If you had worn a boy's coat, or a fishskin, always, I had sense enough to see that it was a saint at play.

    The Mermaid|Lily Dougall