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A numnick is an integer encoded in a format similar to Base64. This encoding is used in IRCu Protocol 10 (P10) inter-server communications. The encoding uses characters from the set of upper and lower case English letters (a-z), digits zero (0) through nine (9), and the open () and close () square brackets.

HOWEVER, I use it as an Anglicised version of the Yiddish Nudnick, meaning a pest, a bore, sometimes used as a term of endearment. If you read the official definition above it translates to an anorack or nurd.
When someone is boring you with their exploits as a train-spotter or fisherman or their grandchildren, they are a numnick.

When your child/partner does something silly or endearing, with great affection you say "You are a numnick, but I love you".
numnick by Johell September 5, 2008
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A scab on one's ball sack resulting from
a razor cut while shaving
She says to him "what is this" he states "c'mon baby, it's just a nutnick"
Most likely isn't true, but it sells
Nutnick by tinkerslink December 9, 2008
Related Words

Russian Nutnick 

A Russian Nutnick occurs when you hurry through manscaping your nutsack.
I was rushing through trimming my ball pubes when I gave myself the Russian Nutnick.
Russian Nutnick by Minksie February 17, 2010
My grandma is such a nudnick.
That fatass is such a nudnick.
nudnick by Sid_V October 14, 2005
well known from south park
rednecks get angrry that future folk took there jobs so they yell
They took ouare jerbs!
Them future folk took ouare jerbs!
jerb by Jimberley Kim April 7, 2005
Word of the Day on May 22, 2026
An Irish phrase meaning shit, derived from ass
(Not to be confused with the literal description of one's buttocks)
"Did you hear the song Aylek$ dropped?"
"Hardly. Her music is absolute cheeks."

"My boyfriend say LaFlame is cheeks."
"Tell your boyfriend I said it's his mixtape that's cheeks."
Cheeks by thecartisan April 26, 2020
Word of the Day on May 21, 2026

sans sheriff 

Lawless use of fonts or typography, with no regard to aesthetics or legibility
I'm putting this CV straight in the bin. Written totally sans sheriff.
sans sheriff by Jamarley July 3, 2019
Word of the Day on May 20, 2026