DON'T-KNOW
Meaning of DON'T-KNOW in English
/dohnt"noh"/ , n.
a person who has no opinion or is undecided, as in answering an item on a public-opinion poll.
[ 1885-90 ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012