Methaqualone, aka, ludes.
Cheap popular sedative in the 1960's.
ANSWER
"Take a chill pill" must be too recent to be the origin. The Oxford English Dictionary gives "An objectionable person; a bore" as a slang sense of "pill," with the earliest example dated 1897. In a similar sense, "pill" means anything that people don't like to "swallow" or endure. These meanings come from the reluctance with which people swallow medicinal pills.
http://www.phrases.org.uk/bulletin_board/26/messages/388.html
put your feet up wind down take a chill pill mellow out take five hang loose
A single word [slang] meaning calm down is "chill."
You can tell them to take a chill pill then leave.
The term 'chill out' is a slang term for 'relax', 'take it easy', 'don't get aggravated', etc.
Chill.
RELAX
Take a chill pill
Chill Pill was created in 1993.
The weather is here on the mountain is quite chilly.
In the 1980's when ADHD pills werer first being designed, the term for them was "chill pill" becaus e of its needed use for overactive children and young adults. over time the term became an idiom used to refer to telling people to calm down.
You are exhibiting one of the symptoms of the Chill Pill. The side effect is Stupidity. So you will not receive any more side effects. Take at least 8 oz. of water with the Chill Pill.
Inside your mind. Take a deep breath, count to ten, and take some space from any conflict or potential conflict with others. These equate, metaphorically, to what is known as "taking a chill pill".
The cast of Chill Pill - 2007 includes: Femi Balogun
to get the chill pill you must kill things like snow golems and ice elementals and they will give you it
Sounds like *you* need a chill pill
yes eoin is very weird ! not , im joking , jeez , take a chill pill
put your feet up wind down take a chill pill mellow out take five hang loose