A way of attacking someone in prison. You get hold of a padlock via paying off guards of stealing one of a gate and put it in your sock. Get 8 other people to do this and then beat the victim to death with them.
Did you hear? Dave got masterlocked!
by udking420 June 28, 2020
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Poorly made shit for shit lock. There are several ways to unlock it without picks. It's possible and extremely easy to make a shim out of a soda can and unlock it.
Jack thought his bike was secure with his Masterlock, but the next day someone guessed his combination in 3 minutes and rode off into the sunset.
by A man in a suit October 11, 2005
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A virtually indestructable lock, made from various metals for the ultimate protection.
I wish i was a masterlock, so everyobdy would love me.
by opio twinkletoes March 18, 2004
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