He picked it up and pulled the cork and a genie jumped out.
Genie: Thank you for freeing me. I will grant you one wish.
Man: I’ve heard this one, whatever I wish for will come back and bite me.
Genie: Nah man I won’t do that. In fact if that happens I’ll give you unlimited wishes for the rest of your life.
Man: Okay, I want a boomerang with teeth.