boom-boom noun 4verb 3adjective 1exclamation 1forms 3 noun4 •Loud, resonant sound; a repeated loud sound....it detested the thunderous boom-boom of the big drum, and the whoopings and hollerings that frightened the horses... — 1980 •(slang) Sexual intercourse.Thuy pressed her body against him. "You want boom-boom?" she said. — 2008 •(informal, euphemistic) Excrement.Whatever the case, he was quite close to making boom-boom in his pants. — 2012 •(slang, figurative) A strike; an act of beating. verb3 •To make a loud, low-pitched sound.Overhead the woodpecker knocked insistently, and in the forest depths the partridge boom-boomed and strutted in virile glory. — 1902 •(slang) To have sexual intercourse.We're smart, sexy, and have even more sexable holes in our bodies than before the apocalypse. I would let a man boom-boom the hole in my calf... — 2014 •To strike or beat.Archer lowers the boom on Tolaris about assaulting T’Pol and Tolaris boom booms him into the wall. — 2015 adjective1 •Resonant; producing a booming sound.The boom-boom bass out in the truck bay wasn't quite loud enough to drown out the whoops and the hollers of the ladies. — 2015 exclamation1 •(UK) Used to draw attention to a pun or weak joke."If he thinks that, he should live in a loony bin." "He already does." "Ha ha ha ha ha ha boom-boom!" — 2003 formsboom-boomed · boom-booming · boom-booms