The act of not getting an erection at a crucial time.
I had a sexy girl in my bed but my weiner got all doofy on me.
by chigtionary October 18, 2010
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A more politically correct way to call someone retarded.

Also A dork or loser.
Don't be such a doofy, you idiot!
by Zane Cimino July 11, 2008
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A doofy is someone who you think is the cutest person in the whole universe!
She is definitely such a doofy! She's so CUTE!
by Asuka Pai October 6, 2007
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one who is morally stupid; or a legit moron; likes to bang policeman and fornicate with plumbers while nobody is watch; proceed with caution.
he just began to doofy, the policeman
by jaynuff December 28, 2009
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