Green’s Dictionary of Slang

trickie n.

[trick n.5 (1)]

(Irish) an amusing, ‘sharp’ person.

[Ire]Joyce Ulysses 141: ‘Two old Dublin women on top of Nelson’s pillar’ [...] ‘That’s new,’ Myles Crawford said. ‘That’s copy. Out for the waxies’ Dargle. Two old trickies, what?’.
[Ire]T. Hallisey Cork Holly Bough n.p.: ‘You caffler, you scut, you trickie, you tally-boy,’ he roared [BS].

In derivatives