Niefling 

A gender-neutral word for your sibling's children, i.e. your nieces and nephews.

It's my sister's big anniversary weekend trip this weekend, so I'm babysitting the nieflings.

Niefling by NoxVeris May 7, 2009

Niebling 

A niece or nephew, like a sibling.

My sister's in labour! I'm getting a new niebling!!

Niebling by nerdygirl July 27, 2009

Neflings 

-any number or combination of nieces and nephews.

"I am visiting my neflings this weekend."

Neflings by Kat77 June 5, 2013

Niebling 

Fond expression for a niece or nephew who may not be kin to you in an "almost family" situation.

That's Angie, my niebling. She's my best friend's big sister's girl, and I've known her since she was a bump.

Niebling by Z Malakh April 17, 2014

nifling 

The gender neutral collective term for nieces and nephews. Nieces and nephews are to niflings as sisters and brothers are to siblings

I am taking my niflings to the zoo tomorrow.

nifling by Hugh Wards March 24, 2017

Niffling

An oral sex game where coins are inserted into a woman’s vagina and their partner fishes them out with their tongue.

Inspired by the niffler from the Harry Potter universe.

Jeremy was three dollars richer after an intense niffling session with his girlfriend, Polly.

Niffling by Boomboomdiddly February 21, 2022

neefling(s) 

A general neutral term for nieces and nephews.

I have several neefling(s) in the LGBTQ+ community

neefling(s) by ieduk8 July 14, 2023