throw in one's hand

throw in (one's) hand

To give up; to abandon or stop doing something. I know you're disappointed with the result, but don't throw in your hand—the final exam is worth twice as much. You'll never find a fulfilling, long-term relationship if you throw in your hand as soon as you have a big fight.
See also: hand, throw

throw in one's hand

Give up, abandon, as in I'm through trying to assemble it; I'm throwing in my hand. This expression comes from card games such as poker, where it is used to retire from the game. Its figurative use dates from the 1920s.
See also: hand, throw