Masterlocked 

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!

Masterlocked by udking420 June 28, 2020

Masterlock 

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.

Masterlock by A man in a suit October 10, 2005

Masterfucked 

The superlative needed when "fucked" just isn't a good enough description.

"That midterm masterfucked the shit out of me."

Masterfucked by isteratter October 23, 2010

masterlock 

A virtually indestructable lock, made from various metals for the ultimate protection.

I wish i was a masterlock, so everyobdy would love me.

masterlock by opio twinkletoes March 17, 2004