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A term that groups an anniversary, a birthday, and Christmas into one occasion that would only require one gift or celebration
I received this watch for my annibirthmas.

He took me on a cruise for my annibirthmas.
by Musch40 September 28, 2018
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An annibirthmas is a present that you get for someone that covers for their anniversary, birthday and Christmas all in one because you are one lazy motherfucker.
"I got David his annibirthmas present this morning...nigga better not ask me for nothing for the rest of the year"
by KayQ5 August 14, 2012
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