Primero, you gringos desgracia'os, the pronunciation is BOOM BOOM. There are two types of bumbum. There is straight bum bum and there is gay bum bum. you want gay bum bum or straight bum bum?
"BUMBUM here!";
"BUM BUM! talk to me!";
"Let's go, BUM BUM! I can't wait all day.";