1. This woman who thought she'd caught a baby shark.
2. This rude woman at the airport.
3. This person who forgot humans could speak.
4. This person who just wants to know why others don't travel.
5. This man who's very confused by all the avocados.
6. This person who didn't really think things through.
7. This anti-vaxxer who forgot one important detail about the Black Plague.
8. This girlfriend who got stranded at "Louie's."
9. This person who took their smoke detector a little too literally.
10. This person who might need a dictionary.
11. This friend who really needs a long nap.
12. This man who just really wanted ice cream.
13. This person who needs a quick science lesson.
14. This daughter who forgot to double-check the photo before sending it to her mom.
15. This Reddit user who forgot about dead people.
16. This person who should probably look up the definition of "all day."
17. This person who apparently doesn't understand basic biology.
18. This person who's advertising that the fish is "never frozen."
19. This dude and his girlfriend.
20. This person who should probably hand off the sign-making duties to someone else.
21. And finally, this liar who tried (and failed) to sell their couch.
H/T to r/facepalm.