Advanced vocabulary

Overheard by former Ithacan in first grade class.
Teacher: "Today we are going to learn about the /w/ sound. Can anyone give me a word that starts with the sound /w/?"
First Grade Boy: "Weed!"
Teacher: "Very good. Can you use the word 'weed' in a sentence?"
Boy: "My dad smokes the weed."
Teacher: [pause] "Okay then. Can someone else give me a DIFFERENT word that starts with /w/?".
..Different Boy: "Wedgie?"