NI

Natural Insemination. Insert a man's penis in tou a woman Vaginalk cavity. After forty thrust the man ejaculates in the recepient. The person is to help a lesbian couple or a single woman conceive. Pro bono. Not done for malicious person. Recepient want to comn\nceive a child

I NI'd Yvette for four cylces before she finally got pregnant. Lesbian couple looking for NI donor that is D/D free

by pavodeBronx February 07, 2008

NI

Not interested.

Boy: Hey, wanna see a movie with me?
Girl: Sorry, I'm NI.

by SXIX0000 January 02, 2021

NI

Not Interested
Used on Ugly Betty by Receptionist Amanda Tanen. Usually you close you hand to indicate 'shut your mouth'.

Ugly Betty
Kimmy Keagen: "In my old job we had uniforms"
Amanda: "NI"

by Genius_Me July 21, 2009

NI

acronym for "Not Interested"

Man: so are you ladies interested in allowing me to suck your toes for $700?
Girl 1: ummm NI creep fuck off
Girl 2: meet me in the stairway in 10

by seven head June 27, 2019

NI

NI = Not invited

A person that Butts into a conversation when he/she is not invited... thus being a NI

Person 1 "Hey how you doin?"
Person 2 "Hey man im ok so hows... stuff"
Random person "Hey guys"
Person 1&2 "Shut up u NI"

by DaRKeniNG June 01, 2005

ni ni

Slang for "night night"

Ni ni guys!

by arnoldjrimmer November 07, 2010

ni ni

Spanish slang term used for describing a generation of youth (between 16-35 years old) that neither studies nor works.
No ocupation at all, they usually leech their Parents' resources.
This word is originated from the conjunctions used in this sentence: "NI estudian NI trabajan".

Plural form is "ninis", can be written as ni-ni or nini.

In Spain, statistics show that generation ni ni is formed by more than 700.000 individuals and growing.

España es el segundo país europeo con mas ninis.

Me preocupa la generación ni-ni, es nuestro futuro.

by Wothanfja December 19, 2010