Sentence:  Terra: It's a freaking nightmare. Just leave me alone. I'm okay, so get going. You heard me. Get going. You too, <WSD>Greeny</WSD>. ["referring to Beast Boy, a superhero with green skin"] 
Meaning of the word marked with <WSD> tags:  A nickname for someone (e.g., a fictional character or a creature of myth) who is green.