the act of having extreme relationships within your family tree.
"You and your cousin are hideously incesty!"
by GanjaRose. May 16, 2009

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Top Definition
of or pertaining to incest.
"that steamy hookup between you and your brother was so INCESTY!!!"

"the way that he touched his cousin from Alabama was so incesty"

"eeew grandma stop pinching my butt! that's so incesty!!!"
by harrypotterchick503 July 09, 2006

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playing footsies with your relatives.
it's okay to play incesties with your cousins, but not to bang them.
by smithfamilyreunion10 July 16, 2010

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