Acronym, based on "Rolling On the Floor Laughing" (ROFL); Rolling On the Floor Laughing And Laughing And Pissing Myself And Scaring The Cat. Generally used for more extreme cases than ROFL or ROFLMAO.
What is that on your head? Are you wearing a chickenhat? What?? It *is* a chicken? ROFLALAPMASTC!
Either liquid niquil or any liquid drink with melatonin, Ashwaganda or other sleeping aids in a liquid form. If warm tea helps you get to sleep that could be sleepy juice too.
I could not sleep so I chugged some sleepy juice and now I'm so tired and sleepy.