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1.
A natural pill that not only helps you sleep but also gives you more intense vivid dreams. It also increases the chance of having a lucid dream.
That 6 mg of melatonin I took before I went to bed gave me a great nights sleep.
by TM January 08, 2005
 
2.
a pill used as a sleep agent. when taken, the person becomes extremely fatigued - to the point of being slap happy.
Rich: after I take this melatonin how long will it take to work?
John: you'll be slap happy before you know it.
by porpoise October 03, 2005
 
3.
its a pill that helps you sleep
i cant sleep, i better get some melatonin
by silly goose November 09, 2004