Top definition
The discovery that your ancestry actually consists of a family tree that goes straight down.
"It may sound stereotypical, but there really are some people who have an Incestry instead of an ancestry."
by Legendary Pusshole October 20, 2009
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2
Sometimes, "hicks" will mispronounce the word ancestry by throwing in a country twang with a subtle, yet accurate family history of inbreeding.

Arguably a Freudian slip.
Stephen: Hello. Nice to meet you. I am Stephen Harding, a Navy veteran.
Darrell: Mah great uncle was Civil War vetrun. Yeah, he's parta mah incestry.
by Shareeb4Prez April 09, 2009
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3
The act of having sexual intercourse with one's ancestors.
In the movie 'The Whale rider' the main character gets really into Incestry after we found out that she literally rode a whale.
by The Anal Crew January 01, 2016
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