Turtle's Gas Stop

This is a pun. The punchline uses the word "Shell" which is a gas station brand but also refers to the hard outer covering of a turtle.

• Turtle
• Gas
• Animal
• Transportation
• Vehicle
• Shell

• What's a turtle's favorite thrill ride? Shell shock!
• Why did the turtle start flying? He was on a jet.
• Where do nuts go for a quick energy boost? The nearest Shell station.
• What do you call a stupid turtle? Retorted.