2. Isn’t Always Present
Sure, it’s awesome when the professor doesn’t show up and you get to miss a day of class. But what’s not awesome is when they don’t bother to let their students know about this ahead of time. Few things are more annoying than getting out of bed and either making the long walk to class. Unless you’re a student who commutes, in which case, that instance takes the cake.

3. Wannabe Stand Up Comedian
We’ve all had teachers who were legitimately hilarious and made learning far more fun. But on the flip side, we’ve all had that professor who treated his classroom like the stage at Def Comedy Jam. These professors tend to be oblivious to the fact that the same corny jokes that didn’t get a laugh from last semester’s students are not going to get much response this time around either.