tickey
/ˈtɪkɪ/noun
(pl. -eys)
1- S. African a small silver threepenny piece, withdrawn from circulation in 1961〈南非〉三便士（硬币）（1961年停止流通）。
1.1
- informal used as a nickname for a small person〈非正式〉小土豆, 矮丁（称呼小个子的绰号）。
短语
on a tickey
- in a very small area在弹丸之地, 在巴掌大的地方：
he could turn his car on a tickey.
他能在丁点儿大的地方掉转车头。
词源
of unknown origin.