Sentence:  Twenty minutes later, he let his eyelids split a quarter open and noticed a staircase going up to the third floor. This was the only house in the row that had an extra level, and the path had led him here. Of course, this had all been a massive cosmic <WSD>troll job</WSD>. Ben fully expected to walk up those stairs and find a giant papier-mâché middle finger waiting for him. 
Meaning of the word marked with <WSD> tags:  A prank played in order to upset people.