While wandering in the desert I came across a lamp

When I rubbed it a Genie popped out.

Genie: You have released me from my prison, in return I shall grant you three wishes.

Me: I've seen this before. Whatever I wish for will come back and bite me in some way won't it?

Genie: I promise that won't happen. I'm so sure it won't I'll give you infinite wishes if it does.

Me: Okay. I wish for a boomerang with teeth.

Genie: You son of a ……..