if 7 keys open one lock than its a bad lock.
but if 1 key opens 7 locks than its a master key.

lock: vagina

key: dick
by hickbreezy January 12, 2010
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a group gathering where you are "locked" in a building. It may include games, movies, but never sleeping! sleeping is for losers :oP
Lauren and Monica went to the lock-in and didn't sleep. They were up till 6am
by Monica Jo June 9, 2007
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Lock in - (noun)

The term used for when the pub doors get locked after hours for the locals. This is a more common occurance rural towns over England when the locals are allowed to drink and smoke after hours inside the pub freely with the landlords permission.

You know you’re part of a lock in when the blinds or curtains are pulled, the ashtrays come out from behind the bar and drinks are still being poured. This normally continues under the landlord discression as after closing time it is simply his property.

If you ever get the chance to attend one don’t turn it down, but never question what goes on.
Any of you boys fancy going to the pub tonight? I heard it’s going to be another lock-in.
by Raver666666666 June 14, 2018
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The largely illegal state of a bar or pub during the period of time after last call, during which the bar is locked to all incoming would-be patrons such tha bar employees and a select group of friends can sit around and drink without all the annoying cash-paying customers bugging them.
this guy kinda blew her off, so she was all like "i need to croosh someone NOW," drags me down the sidewalk and five minutes later we're in a lock in with 5 guys
by Landau December 5, 2006
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(John Locke) a famous political philospher who wrote Two Treatises of Government. He was the pioneer of the social contract theory. Also the alias of Peter Wiggin in Enders Game.
by The Omnipotent Seal March 29, 2003
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A length or curl of hair on the head. Can be used to emulate a fake sideburn for those who so desperately want/need one.
"Whoa William, are those real sideburns?"
"Nah, these are just my sweet locks."
by davey023 June 8, 2006
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‎'Locked On' - adjective: slang pod term used to describe moments when a person gets completely obsessed with an idea and keeps running with it until they realise that they're acting like a freak. Often includes rambling and random tangents. Generally 'locked on' period lasts no more than 5-10 minutes, but has been known to extend to the wee hours of the morning and result in some really stupid decisions (commonly combined with alcohol/alternate means of intoxication in these extremes).
Talking about someone. "Wow, they got locked on."
by podling October 10, 2010
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