First cousin's great-grandchild.
by Hgcloziw November 23, 2019
Get the first great-great-cousin-niblingmug. First cousin's great-grandchild.
My great-great-cousin-nibling is a good person.
by Hgcloziw November 23, 2019
Get the great-great-cousin-niblingmug. First cousin's great-great-grandson.
My great-great-great-cousin-nibling is a good person.
by Gtopql November 23, 2019
Get the great-great-great-cousin-niblingmug. Third cousin's grandchild.
by Gtopql November 23, 2019
Get the third great-cousin-niblingmug. 
The grandchild-in-law of one's spouse's sibling.
My co-great-nibling-in-law is a good person.
by Elivaldeq November 24, 2019
Get the co-great-nibling-in-lawmug. Second cousin's grandchild.
by Hgcloziw November 23, 2019
Get the second great-cousin-niblingmug.