A mix between the words "fussy" and "disappointed". It means that you are upset about something that someone did or did not do and you want to whine about it.
Boy: "I spent $500 in Keno"
Girl: "I am so fusspointed in you"
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.