by Polabear August 11, 2003

A heavy gauge metal lock used primarily for securing bicycles. The U-lock gets it's name from a 'U' shaped metal rod that has cutouts at each end to fit into a horizontal locking bar. This is considered to be one of the best bicycle locks.
by Falkon November 6, 2006

by Brizzown July 2, 2005

(A slang term used in Magic: the Gathering.)
When an opponent takes control over one of your creatures or planeswalkers, but they cannot use/activate effects because the opponents deck is built around a different colour of mana.
When an opponent takes control over one of your creatures or planeswalkers, but they cannot use/activate effects because the opponents deck is built around a different colour of mana.
Player 1: "I took control of your Moorland Inquisitor with my Mind Flayer!"
Player 2: "Yes, but you can't use his ability because he is region locked."
Player 2: "Yes, but you can't use his ability because he is region locked."
by Mobsiboy February 2, 2022

by nebuchadnezzar#7 January 5, 2015

When you try to open the car door just as someone is unlocking it and the door remains locked for you. Leaving the other person(s) to get in comfortably while you stand in the cold with the driver shouting "It should be unlocked now!"
by ue00setrasfer July 22, 2010

The Lock And Cock is a sexual action preformed as follows. Stick the tip in and lock making it the lock portion, start jerkin' it and when you get close to finishing make a beeping noise like a lock on missile then say the words "target acquired" as you send it balls deep and let er rip and that is the cock portion of the Lock And Cock maneuver.
by FMJ Javelin April 13, 2021
