Daughter of their great-grandparent’s full sibling with the other great-grandparent’s full sibling.
My double-great-cousin-aunt is a good person.
Sesqua-2C:
Person who, in relation to the other person, has zero parents, zero grandparents and seven great-grandparents in common.
My sesqua-second-cousin is a good person.
Spouse's first-cousin-thrice-removed's spouse.
My co-first-cousin-thrice-removed-in-law is a good person.
When you and your cousin go outside at a family gathering to smoke weed
“Hey we’ll be right back, we’re going on a cousin walk!”
When cousins go on a walk together at a family event, usually to smoke or vape
We went on a cousin walk at Christmas, and came back so high that everyone noticed immediately!
1- Great-great-grandparent's half-first-cousin.
2- Half-first-cousin's great-great-grandchild.
My half-first-cousin-four-times-removed is a good person.