"How can you tell if something is a boy or a girl-thestral?" He tilted his head. "I can't even tell male and female animals apart most of the time...or houseelves."
Oliver was listening very, very carefully. Okay, he had spend a couple years with the weasley twins but Luna seemed to be quite a mastermind prankster as well... "But...how do you think that should work? Of course I can send an anonymos message to him but...I dont even know how to act like a girl or how to dress up as one plus i have no girl clothes, like I told you before." he said quickly. To be honest he was just trying to find reasons not to do it; he would love to do it but he was somehow scared of the consequences...