The term hilarious is a gallicism, does not exist in the Spanish dictionary.This term is commonly used in incorrectly, to allude to some person or situation, which provokes laughter.What exists is actually " desopilativo " which means that it serves to desopilar.Desopilar, in turn, means " cure against 34, which turns out to be, according to the Spanish dictionary, a blockage in the body by a liquid, solid or gaseous matter.