mute shot

Carlos lunged away as two more muted shots were fired wildly.

A few muted shots rang out, followed by another lone rifle shot exploding through the thin mountain air.

There was a second muted shot.

He dived for the railings, expecting the lethal blows to cut him down as the first muted shots sounded in his ears.

In agony, he crouched and sprang again, pummelling the killer with a gun into the wall above a sharp-edged piece of furniture; Carlos lunged away as two more muted shots were fired wildly.

Writer/director Larry David, in his 1998 film Sour Grapes, used autofellatio as a recurring plot device with several mentions and muted shots of a lead actor fellating himself (back trouble allowing) throughout the movie.