1. The grandchild of one's parent's stepsibling.
2. The stepgrandchild of one's parent's sibling.
3. The grandchild of one's stepparent's sibling.
My first step-cousin-nibling is a good person.
by Elivaldeq November 24, 2019
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Nibling is a word to describe both Nieces and Nephews at the same time.
Ay, what's up niblings? You guys are playing Minecraft? Mind if i join you?
by PowerMasterYT March 26, 2020
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