1 definition by The Netherlander

Very often celebrated by people with Cancer who've had a donor stem cell transplant / bone marrow transplant. The infusion day is the rebirthday. The new chimeric you is born on this day and every rebirthday is a celebration of survival.
My actual birthday is March 17th while my rebirthday is January 8th.
I'm 45 years old but counting my rebirthday, I'm only 12 years old.
by The Netherlander January 8, 2020
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