A general word used to describe a multitude of things that defy explanation. Can be a noun, pronoun, verb, adverb, adjective. Use is similar to Smurf from the 80's hit cartoon show The Smurf's. Can also be used in various forms ala schmeading, smeaded, smeading, schmeader, etc.
Dude you've just been schmeaded!
getting real drunk, blackout
Man I'm bout to be schmeaded in a few more drinks.