The Collaborative International Dictionary
Jackies
Jacky \Jack"y\, n.; pl. Jackies. Dim. or pet from Jack. Hence:
A landsman's nickname for a seaman, resented by the latter.
English gin. [Dial. Eng.]
Usage examples of "jackies".
The Paddies and Jackies seem to be poetic visionaries, inspired, maybe, but as practical as a mad March hare.