Definition of trickish:
to fool; to cause to believe something untrue; to trick out; to mod
or customize an object, typically for the purpose of both personalization as well as enhancing the object's performance capabilities and more particularly for the purpose of performing stunts with that object
"you tried to trick me when you said that house was underpriced."
"it was just a trick to say that the house was underpriced."
something that is unusually stylish or cool
"wow, your new sportscar is so trick."