Half-sibling's stepchild.
half-stepnibling.
In a sexual relationship, half vase is when partners hold hands and hug on a regular basis.
BRUH? Did you guys get to first base yet?Nah man, only half base?
Grandparent’s male half-first cousin.
My half-great-cousin-uncle is a good person.
Half-sibling's grandchild.
My half-great-nibling is a good person.
half-great-nibling.
Half-sibling's grandson.
My half-great-nephew is a good boy.
half-great-nephew.