niecews

A gender neutral word for Nieces and Nephews.

Person1: you may have a few nieces, nephews and niecews
Person2: Oh fun

by Pandxra October 12, 2021

Niecester

A term used for a person that is a sister and also a niece

She is my sister and my niece, therefore she is my Niecester.

by Njen28 August 24, 2016

Nieceseo

Nieceseo is a nickname belonging to Leeseo from the Kpop girgroup IVE. It’s a combination of niece and Leeseo, her name.

nieceseo is the best maknae !

by ivestan March 25, 2024

Niecesan

Da brand of budget-priced vehicle dat you'd typically give yer adult sibling's daughter.

Giving yer brother's "little pumpkin" a used-but-solid Niecesan and supervising her use of it can majorly benefit her in three important ways --- it provides her wif a good reliable vehicle, it helps her to becomes accustomed to accepting and being satisfied wif second-hand items, and she will learn responsibility through practicing routine maintenance on said gifted jalopy.

by QuacksO October 19, 2025