A man goes into a dentist's office.
Man: "Excuse me, can you help me? I think I'm a moth."
Dentist: "You don't need a dentist. You need a psychiatrist."
Man: "Yes, I know."
Dentist: "So, why did you come in here?"
Man: "The light was on."
MORE WAYS TO LAUGH
Benjones : 5 star joke for me, good one
barber7796 : good joke
Dansei59 : Love it