Granted. You get a PiraƱa but it jumps up from the fish tank nuts his head on the light bulb and electrocutes himself (true story) I wish for a new job
Granted. You are now an armpit smeller for a deodorant company. Congratulations! I wish for the ability to go back in time whenever I want.
... The troll died on his way to grant your wish, so here I am instead! I wish I had free control over time.
Dragons are real, but they eat your first newborn child. I wish to have a banana every day. One banana.
Granted, but you only see through old people's clothes. I wish for an infinite supply of oil afte the oil reserved run out.