unnnn 

it's a guttural tone used to appreciate some action. Usually accompanied by a facial expression some where between constipated and abusively happy.

first-person: hey dude, i just won the worldcup!
second-person: unnnn!

unnnn by nvr_k October 18, 2012

Unanniversary 

The day you would have celebrated as your anniversary if you had not broken up.

Today's our unanniversary. We would've been together for three years if we were still together.

Unanniversary by ScribblScrabble August 29, 2012

unennium 

It means “Okay.” K or OK
like potassium.

Kid 1: Bruh I just learned blacks are real!
Kid 2: Unennium.

unennium by Cringy7yearold September 3, 2019

unannounced

Showing up some where your not welcomed or invite.

My cousin wants my address to my new place so she can show up all unannounced. Just "pop-up" at your crib never mind what I'm doing.

unannounced by Lbushquizeanic1 March 9, 2016

Unnnhhh 

Used in conjunction with pelvic thrusts when seeing a totally majorly “porkable” babe that you'd like to give the "hot beef injection" to.

"Oooh. You just touched Christy Boner's hoo hoos. Unnnhhh!"

Unnnhhh by Gordo Madre May 4, 2003

unannoyable 

that which cannot be annoyed by any means.

so you just go on that site to annoy people?

well, no, i didn't with you, did i?

no thats because i'm unannoyable.

unannoyable by Rogering Rabbit May 3, 2009

Unnens 

Someone considered as a big weeb.

Guy 1: Yo, have you heard bout that new guy on campus?
Guy 2: Ye he's an unnens

Unnens by hamoud69 May 1, 2020