boom-boom

...it detested the thunderous boom-boom of the big drum, and the whoopings and hollerings that frightened the horses...

...others spontaneously beat or shot helpless inmates … an SS-Blochführer was assisted by his girlfriend, who chortled, "Bubi, you have already made boom-boom so often, now let girly make boom-boom for once."

Whatever the case, he was quite close to making boom-boom in his pants.

Thuy pressed her body against him. "You want boom-boom?" she said.