A slang word sometimes used by young people in expressing how dumb another young person is because s/he was saying something or doing something not considered smart. Can also be used when one is playfully teasing another.
"Who's the lead singer of Iggy and the Stooges?" asked Kennedy.
"Um...Iggy...Duh-Doy!" Caitlin answered, her face looking a little annoyed.
by Babydoll75 March 20, 2019
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