Harry sighed. He was tired, bored and had a lot of homework to do. He was heading to the Griffindor common room when he saw Dumbledore coming his way. Dumbledore was staring at his own feet and seemed not to notice him so, being the polite gentlemen he always was, he called:"Hey Dumb!" Dumbledore was startled but soon recovered and replied:"Harry! Wazzup man!!"