Definition from Wiktionary, the free dictionary
plisky (plural pliskies)
- (obsolete, Scotland) practical joke
1892, Various, Punch, Or The London Charivari, Vol. 103, November 19, 1892:
- "What!" said BULGER. "Jist playin' a plisky on ye, and he meant that TOM wad pit ye in the way o' becoming a player.