Definitions of shtik:

• noun:   (Yiddish) a devious trick; a bit of cheating

  Example: "How did you ever fall for a shtik like that?"

• noun:   (Yiddish) a prank or piece of clowning

  Example: "His shtik made us laugh"

• noun:   (Yiddish) a contrived and often used bit of business that a performer uses to steal attention

  Example: "Play it straight with no shtik"

• noun:   (Yiddish) a little; a piece

  Example: "Give him a shtik cake"