Meaning of spit in the ocean

spit' in the o'cean

Pronunciation: [key]
— Cards. Cards.
  1. a variety of poker in which four cards are dealt face down to each player and one card, forming the fifth for all hands, is dealt face up in the center of the table, the exposed card and others of its denomination being wild cards.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.