Son of their maternal first cousin’s child with the paternal first cousin’s child or double-first cousin’s grandson.
My double-great-cousin-nephew is a good person.
by Hgcloziw November 23, 2019
Get the double-great-cousin-nephewmug. My half-first great-cousin-nephew is a good person.
by Gtopql November 23, 2019
Get the half-first great-cousin-nephewmug. The grandson-in-law of one's parent-in-law's sibling.
My co-cousin-nephew-in-law is a good person.
by Elivaldeq November 24, 2019
Get the co-cousin-nephew-in-lawmug. 
by Starve bar October 18, 2020
Get the Nephew appreciation daymug. 
Get the half-first cousin-nephewmug. 
Get the half-great-great-great-nephewmug.