English
giant kill
Calque of Japanese ジャイアントキル (jaiantokiru), from English giant + kill, from the idea of the weakest card beating the strongest card, i.e.
Today it means
noun A rule in Tycoon where a three of a particular suit (most commonly spades) can beat a single joker. During revolution, most rulesets instead use a two of that suit to do this.
Language periods are conventional ranges, not dates for this word.
Etymograph / giant kill