Inedible Vegetable Part

The joke plays on the word "wheelchair". It sounds like "wheel chair", which is a chair with wheels. The setup asks about a part of a vegetable, and the punchline is a homophone of a common word, making it a silly, unexpected answer.

• Vegetable
• Part
• Disabled
• Wheelchair
• Food
• Vegetarian

• What's the worst thing about eating a vegetable? The wheelchair.
• What's big, round, and can't move? A vegetable!