High-up jokes

What does a physicist call it when a suicidal person is high up? Potential energy.

What's the difference between emos and 9/11?

The emos are still there, high up off the ground.

I have fun going on them roller coasters that go really high up and sitting by random people, and once we get to the high point, I look at the stranger and go "wham" and unplug their seat belt.

Why is a giraffe's neck so long?

Because his head is so high up in the air.