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Top definition
co-grandaunt-in-law
The wife
of one's
grandparent-in-law's
brother
.
My co-grandaunt-in-law is
a good person
.
by
Elivaldeq
November 24, 2019
Get a
co-grandaunt-in-law
mug for your bunkmate Bob.
2
co-grandaunt-in-law
Spouse's
granduncle's
wife
.
My co-grandaunt-in-law is
a good person
.
by
Gerald128
April 07, 2021
Get a
co-grandaunt-in-law
mug for your cousin Julia.