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A word taken from the word "heir" meaning one who is left money by dead relatives and others who are dead,, and the word "Error" Meaning mistake or incorrect.

Heirer is one who mistakenly thought he was an heir to an estate
Sue: "Poor Jack, he spent all his savings thinking his dad would leave him thousands when he died but he got nothing.
Mary: "Oh no! You mean Jack is an Heirer???!
by Dreaded@worm-fornication.abo December 09, 2015
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