Meek

noun
1. To react over-dramatically to small situations

2. To behave as a frail child

3. To act hypocritically

1. "Why did Jack leave, it was just a joke."
"Ah, He's just being Meek"

2. "Why won't Jack come speak to us?"
"Because he's scared you'll make fun of him."
God, what a Meek!"

3."Jack bullies people all day, and then cries when people bully him. What a Meek"