1º_ Onomatopoeia of a detonation. 2nd_ Bantu language , spoken in Cameroon (Africa). 3rd_ 'BUM' is the IATA code for Butler Memorial Airport ( Missouri , USA ).
Onomatopoeia of the noise of an explosion . It is an expression that denotes great surprise. Interjection that means amazement. That produces a lot of amazement or surprise. Amazing , amazing . That catches everyone's attention, relevant, important.
Bum : Onomatopoeia that mimics the sound of an explosion .