Top definition
simply a day when you feel extra horny
she must be having an h-day, she just gave that banana a blow job
by kikers April 20, 2006
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Apr 28 Word of the Day
Literally everyone, ever. Including the writer of this definition.
by masokitsune January 17, 2019
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2
You- Do you think New York is the dopest city?

ME- Obviously.. HDAY!?
by Steve C on 5th Street March 22, 2012
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