Clapper

[Jessica]

That which strikes or claps, as the tongue of a bell, or
the piece of wood that strikes a mill hopper, etc. See Illust. of Bell.

[Agnes]

The tongue or striker of a bell.

[Mary Mallozziberg]

a mutherfuckin [Gun]

term used [mostly] in [the South]

[Tariq Zaki]

A fast [slap shot] [in the game] of [hockey]. Goaltenders avoid these type of shots.

[Michiko]

A stripper who is able to make her [ass shake] so vigorously that [the cheeks] clap, or the ass that [claps].