1. can be used as a greeting
2. can be used as a proper name
3. can be used to express astonishment, disgust, or happiness; generally used to express several words with just one one syllable word
What are you doing tonight SCHMEOW
Person 1 would say: "You look aweful!"
Person 2 would respond: SCHMEOW!
Instead of saying, "That was AWESOME!" One would say, "SCHMEOW!"