"Call in" means to place a call in to work to let them know something. It could be for a status update, it could be to check on an assignment, or it could be to inform your work that you will not be coming into the office due to illness.
"Call out" is improper usage according to Merriam-Webster.
Do you mean when you call on the phone? Of course not; that makes no sense at all.
You can call a hippo who thinks she's sick a 'Sicko Hippo'.
Give them a call and say that you are sick.
The cast of Sick Call - 2004 includes: Michael Caradonna as Jimmy
call your doctor
A hippo who thinks he is sick is a wimp. This is a joke.
There is no option to call in sick to school.
Call to Arms - Sick of It All album - was created on 1999-02-23.
You call them a veterinarian
According to research conducted in England, more people call in sick on Mondays (over a third).
It depends. If you think that he's Sick then call a doctor?
I had to call in sick to work today because I have the flu.