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a fake cousin. Usually close family friends that your parents make you call the adults Aunt and Uncle and their children your cousins but none are blood related.
Johnny is going to dinner with his fousins again.
by B. Reilly February 29, 2008
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1 a: a child of one's aunt or uncle on your Fathers side b: a relative descended from one's grandparent or more remote ancestor by two or more steps and in a different line on the Fathers side.
"I have 2 mousin's and one fousin." = I have 2 cousin's on my moms side and one cousin on my fathers side.
by Roham April 22, 2009
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