first great-cousin-niece

First cousin's granddaughter.

My first great-cousin-niece is a good girl.

by Hgcloziw November 23, 2019

Niecey niece

Usually the Female offspring of one's siblings. The uncle's favourite niece and the envy of all the other nieces. Also her parents secretly love her more than their other kids.
Can also be used to describe a diva niece.

OMG she is such a niecey niece.

by ¢l1v3 July 16, 2022

second great-cousin-niece

Second cousin's granddaughter.

My second great-cousin-niece is a good girl.

by Hgcloziw November 23, 2019

great-great-niece

Sibling's great-granddaughter.

great-great-niece.

by Zabombini October 5, 2024

niece lease

The note you leave your sister after kidnapping her newborn baby girl.

"Thankfully Sarah left a niece lease for Bree before she disappeared with her baby"

by rambolovesbabynieces September 15, 2013

niece-by-marriage

Spouse's niece.

My niece-by-marriage is a good person.

by NSBC968755 February 25, 2023

co-niece-in-law

Spouse's nibling's wife.

co-niece-in-law.

by Simaduria July 26, 2024