piker
/ˈpaɪkə(r)/noun
informal <非正式>
1
- chiefly N. Amer. a gambler who makes only small bets〈主北美〉小打小闹的赌博者。
1.1
- a mean or cautious person.小气鬼; 胆小鬼, 畏首畏尾的人。
2
- Austral./NZ a person who withdraws from a plan, commitment, etc.〈澳/新西兰〉（计划、承诺等的）退出者。
词源
late 19th cent.: from the slang verb PIKE5 .