The Collaborative International Dictionary
Spoilfive
Spoilfive \Spoil"five`\ (spoil"f[imac]v`), n. A certain game at cards in which, if no player wins three of the five tricks possible on any deal, the game is said to be spoiled.
Wiktionary
spoilfive
n. A card game in which, if no player wins three of the five tricks possible on any deal, the game is said to be "spoiled".