1. a cuss word in PersianFarsi meaning someone who happily accepts the wrong doings of female members of his family.

2. it also means Bi-Gheyrat.

3. also could mean pimp, when calling one of the homies

hey dayous, you dont care about what ur sister wears out?
by DoggDogg February 12, 2007
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A nice guy, very caring, always puts others before him.

Probably not very popular, but people know who you're talking about.
One of those loyal boyfriend/friend type person.
Two faced.
"Hey you know that weird guy?"
"Oh that guy?"
"Yeah he's so nice"
"Yeah he's a Dayou"
by Lopsidedkork November 22, 2021
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