'Greatest Hits' tweets hilariously expose our preconceived ideas about jobs.

When we hear someone has a certain job, we make a series of assumptions about what life is like in that profession. However, more often than not, their jobs are less romantic than we think.

Here's a list of tweets that skewer the silly assumptions we make about people and the work they do.

1. Yes, I’m actually your doctor

2. Have you started passing gas?

3. It’s on the syllabus

4. What made you think that was an emergency?

5. YouTube does not make it true

6. Seriously, not an emergency

7. What does your company actually do?