Because their heads are so far away from their bodies!
If the head's too big on your beer, you can blow it off.
Astronomy is about things too big to wrap your head around, while gastronomy is about things small enough to wrap your head around.
Is it kale it's kale, isn't it please don't say kale.
Because he had no-body to dance with.
Why is a giraffe's neck so long? Because his neck is way up here! (Dad Joke)