chill pill

American  

[chil pil] / ˈtʃɪl ˌpɪl /

noun

1. something that has a calming or relaxing effect.

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idioms

1. take a chill pill, (often used imperatively) to calm down; relax.

   Stop shouting! Take a chill pill!

chill pill British  

noun

1. informal an imaginary medicinal pill with a calming, relaxing effect

   take a chill pill

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Etymology

Origin of chill pill

First recorded in 1980–85

Example Sentences

Some phrases fell out of use after the 1990s, like “take a chill pill” or “whazzuuup?” or “General Electric stock is outperforming.”

From Barron's

Everyone needs to take a frickin’ chill pill.

From New York Times

“These phrases were akin to other commonly used sayings like ‘don’t hate the playa, hate the game,’ ‘take a chill pill,’ and ‘say it, don’t spray it.’

From Washington Post

“Sure hasn’t. Guess he finally decided to take a chill pill.”

From Literature

The viral clip began with Mr Shivshankar asking "Daniel McAdams" to "just take a bit of a chill pill".

From BBC