BUUM, is the onomatopoeic expression of an explosion; example: buum cellular telephony, the internet.ONOMATOPOEIA: use of a Word, or sometimes a group of words whose pronunciation imitates the sound of what describes. 'Bum', 'pam', 'bing', 'click', 'clá' or 'crash' are typical examples of onomatopoeias. Some onomatopoeias are used to describe Visual figures instead of sounds, such as "zigzag". BANG, equally, the firing of a gun. Let us remember the sound effect " pow, cras " and other more television series Batman and Robin, when " to clean fist is struck with bad "