Shouses means that you are unable to complete the simplest of projects.
-Holy cow, she shoused that homework!
-Stop shousing in class
extremely inebriated, ie. shitfaced, smashed, hammered, blitzed, shithoused, drunk, etc.
Similar declination to soused, but derives from an episode when Mr. Kevin Shouse of Atlanta, GA was so drunk he earned his own adjective.
Kevin drank too much and went to jail. He was shoused.