Usually, designers are creative folks who are good at their job. However, the following is a list of designers who decided to totally mess up the one job they were supposed to do.
20. Too Cool To Do Drugs
Via imgur/image
19. When You Don’t Think Things Through!
Via imgur/mediagarden
18. Book Name Fail
Via imgur/Shockrates
17. Who Thought Up This Design? 
Via imgur/image
16. Parliament in London.
via flickr / Olly Denton
15. Not the typical maple syrup. 
via reddit / nb4hnp
14. You’ll have to read it again to get a better understanding.
via Caged Insider
13. Wow!
via reddit / JaXXXek
12. Keep the bench cleared!
via reddit / PaulSharke
11. Camo is the only color!
via reddit / Thedaveabides98
10. Escalator To Nowhere.
via reddit / [deleted]
9. Minion’s Tears!
via reddit / AWildMagikarp5
8. This ad design team knew exactly what they were doing.
via reddit / dodgersbenny
7. Is this a fail or a win?
via reddit / zapsquad
6. Wow
via reddit / GashcatUnpunished
5. Wait, what?
via reddit / Jagator
4. Inappropriate?
via imgur / DontDoubtMyCommitmentToSparkleMotion
3. What on Earth!
via imgur / Mookystick
2. Who else knows this feeling?
via imgur / marat555
1. The typo made the ad better actually. 
via reddit / FifeeBoy