Chill pill

[Justin Bieber]

Relax, its not that big of a deal.

[Donald Trump]

while not truelly a pill it is a comment used by one party to let another party know that everyone else in the room but them knows they are acting like a complete asshole...

[Tina]

A figurative pill you can give someone when they are...
A. High
B. Hyper
C. Hyperventilating

[Britney]

A sort of invisible pill, prescribed by anyone. Some idiots think that they could buy chill pills online, who on earth knows whether it works.

[Rihanna]

A mysterious invisible pill, which should be taken when the individual involved need the bug shoved in their butt rapidly removed

[Sonia]

Also known as LSD. some dealers put that on the front of the pill cause LSD makes u chill. Hence the name, chill pill