About funny jokes

Short funny jokes otherwise anecdotes. Nobody knows who invented them, people can laugh and did not even notice, they are laughing about themselves.Based of context most short stories are invented in prisons- weak nerd in fear of his life are inventing jokes to make fun of his comrades to not to be hitted, frowning godzillas sharpening knifes while tiny roommates tries to make some fun - maybe it is a joke too.