In Five's defense, he also did not expect to end on top of the fridge. His already flushed face gets a shade deeper when that laugh rings unpleasantly in his ears, making his headache worse.

"Nothing of your business!" Because hell if he's going to explain, Klaus will only laugh harder.

Five looks down at the floor and god, he even gets a bit dizzy. When did the fridge get so large? Things really look different when you are standing on top of them. He doesn't have enough energy left for a voluntary spatial jump so he crouches down, trying to decide how the heck is he going to get down without breaking his neck. "Uhm..."