Promoting an office
A psychotherapist was having a roaring business since he started from scratch. So much so that he could now afford to have a proper shop banner advertising his wares. So he told a kid to paint the sign board for him & put it above his shop entrance.

But, instead of his business building up, it began to slacken. He had especially noticed the ladies shying away from his shop after reading the sign board. So he decided to check it out himself. Then he understood why!

The boy found a small wooden board so he had split the word into the 3 words :

Psycho-
the-
rapist