trick/trik/
Noun:
A cunning or skillful act or scheme intended to deceive or outwit someone.
Verb:
Deceive or outwit (someone) by being cunning or skillful.
Adjective:
Intended or used to deceive or mystify, or to create an illusion.
[youtube]http://www.youtube.com/watch?v=Foxd388ZMOM[/youtube]