boom-boom

Short definition from Wiktionary

Verb

1. 1
   To make a loud, low-pitched sound.
2. 2
   To strike or beat.
3. 3
   To have sexual intercourse.

Noun

1. 1
   Loud, resonant sound; a repeated loud sound.
2. 2
   A strike; an act of beating.
3. 3
   Excrement.
4. 4
   Sexual intercourse.

Adjective

1. 1
   Resonant; producing a booming sound.

Interjection

1. 1
   Used to draw attention to a pun or weak joke.