This creates a loud smack, not unlike a large whale slapping its tail against the surface of the water.
Man: Come here, whore.
Whore: Oh, I'm gettin' all steamed up. I've got my whore panties on.
Man: Yeah, let me hear that.
*CINCINNATI LOBTAIL* SMACK
Whore: Oh, baby! Let's get all humpbacked on my husband's futon.