They're pretty big fans
A cantelopez! Came up with this on all by myself. I'm a new Dad, so I feel as if I've significantly leveled up my Dad Joke ability.
Asks the fluoride ion. "Positively shell shocked" the sodium ion replied.
Asked one windmill to another. The windmill responds, "I'm a metal fan."
I'm a really big fan.
I don't know about you, but I'm a Big Fan.
A solar panel.