The fall semester is in full swing, and Jimmy Fallon has decided to celebrate it. For the hashtag segment on The Tonight Show, Fallon has asked people to tweet the craziest things about their teachers. And even thought it is a subject he already explored a few years ago, the abundance of hilarious replies prove that it's inexhaustible. From personal remarks about their marriage to social experiments in class, these teachers and professors will certainly remain in their students' memory forever. Just not necessarily in a good way. Scroll down to enjoy the funniest #MyTeacherIsWeird entries and upvote your favorites.