A "mads wulff" is a danish description for a man who have the amazing ability to slow down time anywhere he goes by being extreme boring, which leads to not many people wanting to go near him. Therefore, a "mads wulff" don't have a lot of friends, is never with any girls, is playing a lot with his "little bandit" and is taking his depressions and boredom out on his students because he don't know what else to do with his life.
"OMG, this class is so damn boring, its like it has lasted for 4 hours!
A little boaster from the netherlands, who's speciality is staring at naked little girls through the windows of the locker room. He is a notorious pedophile who is also well known for dating a 5th grader!
Yoo, dude have u seen this creep taking pictures of kids on a playground
Damn bro, he is definetely a Wulffraat
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi