1. A combination of the words mouse and schmuck. It also uses the “Schm” sound, which can be used to make fun of anything. Such as Joe Schmo, funny schmunny, or work schmork. It uses the word mouse to indicate small guys. It uses the “schm” sound to be funny and to sound like schmuck. The definition of schmuck can be foolish or contemptible. The complete word is used to indicate a small man who is angry due to his small stature. A funny one syllable word for little man syndrome, Napoleon Complex, or Little Demon Creature.
Is that little guy yelling at the sales woman because he can’t find a tighter shirt? He must be a schmaus.