The grandchild-in-law of one's spouse's sibling.
My co-grandnibling-in-law is a good person.
by Elivaldeq November 24, 2019
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My co-cousin-aunt-in-law is a good person.
by Elivaldeq November 24, 2019
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Get the cos she kisses him mug.by EB MacT December 28, 2008
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Get the co-grandaunt-in-law mug.Spouse's first-cousin-twice-removed's spouse.
My co-1C2R-in-law is a good person.
by Gerald128 April 7, 2021
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