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1.
An endlessly annoying twit. Not much is known about them except that they are stupid with no brains. They frequently eat and suffer from mental illnesses. They also lack hygiene.
That person over there thinks one plus one is five, and smells like rotten eggs! She must be a goopie!
by Agorinkal January 02, 2011
 
2.
The crust that may be in the corner of your eye in the morning and sometimes later if it's not taken out.
Mom saying to her child: You have goopies in your eyes.
by Jacquelin August 03, 2014