Get the half-great-great-niblingmug. 
Get the great-grandniblingmug. The word all millennials want to hear about what they do “you’re doing a great job”. But when said by an older person it means “you’ll likely amount to nothing and you are wasting my time.”
by Tupa June 4, 2020
Get the Greatmug. Spouse's great-grandpibling's husband.
My co-great-granduncle-in-law is a good person.
by Wonbig October 13, 2021
Get the co-great-granduncle-in-lawmug. 
Get the half-great-great-niecemug. 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. Great-grandparent's half-sister.
My half-great-grandaunt is a good person.
by Gtopql November 23, 2019
Get the half-great-grandauntmug.