numlock 

repeating the same sequence of events without getting the expected desired results

repeatedly using the number pad for entering numbers when the numlock light is off OR if something is not plugged in unbeknownst to you, you keep hitting it thinking it's not working

numlock by Craque June 25, 2005

numlock 

1. The most useless key on a computer keyboard.

2. The most useless fucktard at any given moment.

"err, i think i just told your girlfriend about you and that chick last week."

"nice one, you fuckin numlock".

numlock by andy x September 17, 2009

NUMLOCK 

The key situated at the top left of the NUMPAD Like capslock and scroll lock, it makes lights flash if one presses it too much.

Alt codes require the numlock to be on.

NUMLOCK by Gumba Gumba April 8, 2004

Numlock 

Derivative from "Dicklock" as made popular by Bubbles of the hit TV show "Trailer Park Boys".

A dick lock being someone who cant get laid. A numb lock is a nerd who cannot get laid and plays with the numlock key while Masturbating.

Q: Hey where's Simon ?

A: Oh that "Numlock" hes at home fapping off.

Numlock by DunkyHazard February 4, 2010

numlock 

The most useless button on your keyboard.

I got hungry and ate my numlock

numlock by Joe in the his-ouse October 21, 2008

numlock 

not being able to move

Oh crap! My legs are frozen in this ice so therefore I've been numlocked.

numlock by Dj Blackhorse November 29, 2003

numlock 

The event that no matter how hard you work on a problem or how educated and tutored you are, you just can't get the right answer.

Did you figure out the square root of 1 yet?
No, I've had numlock all week.

numlock by Mark Shackelford May 7, 2007