BOOMBALAYO Share definition Flag Boombalayo is something that turns you on but not enough to make you want to have sex. When this happens, you are obligated to yell it out. *a pretty girl hugs you tightly, with lots of boob action* "BOOMBALAYO!!" BOOMBALAYO by GusButts April 10, 2009 0 0 Get merch Get the BOOMBALAYO mug. Buy Now — $32.95 See more merch