Posted on July 21, 2006February 21, 2018 by Idioms Poster Buy the bullet Stop putting it off – just go and buy the bullet. A mix up of Bite the bullet, and Buy the rabbit. Some kind of strange mix that is half “Get on with it!” and half “And you’re going to be worse off!” Sent in by Graeme, New Zealand. Post navigationPrevious post: Living hand to fistNext post: Strike while you’re ahead