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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
by Craque June 10, 2005
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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".
by andy x September 16, 2009
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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.
by Gumba Gumba April 08, 2004
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Typically used for the autorun function on any online MMORPG, it is the gamer's equivalent to cruise control.
person 1: "Can you believe how far it is to the next town?"
person 2: "Nah its easy, just num lock and go grab a snack"
by NihilistX February 02, 2011
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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.
by DunkyHazard February 03, 2010
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not being able to move
Oh crap! My legs are frozen in this ice so therefore I've been numlocked.
by Dj Blackhorse November 29, 2003
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