Definition of dummie:
(n) :
A stupid person.
(n) :
(dated) A silent person; a person who does not talk.
(n) :
A figure of a person or animal used by a ventriloquist; a puppet.
(n) :
Something constructed with the size and form of a human, to be used in place of a person.
(n) :
A deliberately nonfunctional device or tool used in place of a functional one.
(n) :
(Australia, New Zealand, UK, Ireland) A pacifier; a plastic or rubber teat used to soothe or comfort a baby.