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Top definition
co-grandnibling-in-law
Spouse's
grandnibling's
spouse
.
My co-grandnibling-in-law is
a good person
.
by
KNN128
June 15, 2021
Get the
co-grandnibling-in-law
neck gaiter and mug.
2
co-grandnibling-in-law
The
grandchild-in-law
of one's
spouse's
sibling
.
My co-grandnibling-in-law is
a good person
.
by
Elivaldeq
November 24, 2019
Get a
co-grandnibling-in-law
mug for your cousin Bob.
3
co-grandnibling-in-law
Spouse's
grandnibling's
spouse
.
My co-grandnibling-in-law is
a good person
.
by
Gerald128
April 07, 2021
Get a
co-grandnibling-in-law
mug for your coworker James.