a suppository, specifically a glycerin suppository produced by either Fleet or Dulcolax. The silver bullet is approximately two inches long and cone shaped. The constipant should insert the silver bullet in his/her rectum with the flat side out.
Rufus: I can't poop.
Rufus' Mom: Lemme get a silver bullet.
Rufus: No silver bullet!
(military) armor-piercing shellmade from depleted uranium, so called for its almost magical accuracy and lethality
The diaperheads tried to counterattack with tanks north of Um Qasr. Several of Bravo Troop's tanks were on the crest of a hill and one got five confirmed kills at ranges of over three thousand meters. Even at that range, a silverbullet goes through a T-62's glacis plate like it's not even there.