A soft-nosed bullet that expands on impact to cause a gaping wound.

(informal) An ignorant person; an idiot.

A weight training implement consisting of a short bar with weight counterpoised on each end. / (derogatory) A stupid person.

plural of dumbbell

(chiefly Britain, slang, humorous) The national lottery.

ocean dumping

(finance) A form of financial fraud where the fraudster buys stocks cheaply, generates excitement about those stocks to create a temporary price increase, then sells the stocks before the price goes back down.

(slang) To use a breast pump and then discard the milk, typically because one has had an infection, or has been drinking alcohol.

(idiomatic) The practice of hospital employees or emergency workers releasing homeless patients on the streets instead of placing them into the custody of a relative or shelter or retaining them in a hospital where they may require expensive medical care.

(Ireland) Those who fail to speak up fail to get what they want.