A blind man
A woman was in the bath when the doorbell rang
"Who is it? she called.
It's the blind man, a voice shouted from below.
As he was blind, the woman went downstairs naked and opened the front door. A man dressed in a suit and carrying a long briefcase stood on the doorstep.
"Phwoar, nice boobs" he said. "Now then, where do u want me to put your blinds?"