a chill pill

a chill pill

slang A hypothetical thing that would induce one to become calm. The phrase is typically used in the expression "take a chill pill," but does not refer to an actual pill or medication. Take a chill pill, will you? Panicking about being late won't make me drive any faster.
See also: chill, pill
References in periodicals archive ?
The Happy FM presenter used his media platform to deliver these words to Kelvyn boy, 'He is talented but he needs to take a chill pill, the talking is too much'.
Yoga Taking a chill pill with some yoga moves can keep your ticker ticking.
Around 41% of women ranked themselves as "stressed to the max" or "in need of a chill pill", compared to only 31% of men.
"Take a chill pill or you will have a stroke, " one daughter told her irate mum.
Some of them suggesting Gawker "take a chill pill" and others who claimed to be Asian themselves say they find it hilarious and not offensive.
So I would advise everyone to take a chill pill. Even though it's quite heartening that everyone is making his voice heard loud and clear.
SKY One's Kay Burley, who interviewed Rebecca Loos on Thursday, needs to take a chill pill.
I think she needs a chill pill." Then she came back to Mark and they went on down the hall.
Take a chill pill, Benny, you know we love you really!
Take a chill pill (containing no more than 35 calories) folks.