A stupid person.

A figure of a person or animal used by a ventriloquist; a puppet.

Something constructed with the size and form of a human, to be used in place of a person.

A person who is the mere tool of another; a man of straw.

A deliberately nonfunctional device or tool used in place of a functional one.

(Australia, UK, New Zealand) A "dummy teat"; a plastic or rubber teat used to soothe or comfort a baby; a pacifier.

(card games, chiefly bridge) A player whose hand is shown and is to be played from by another player.

(linguistics) A word serving only to make a construction grammatical.

(programming) An unused parameter or value.

(sports, chiefly rugby, soccer) A feigned pass or kick or play in order to deceive an opponent.

(sports, UK) A bodily gesture meant to fool an opposing player; a feint.

(attributive) A newborn animal that is indifferent to stimulus and does not voluntarily move.

To make a mock-up or prototype version of something, without some or all off its intended functionality.

(sports) To feint.

(slang) Extremely.