The biggest badass know to man. Known to throat punch and inside knee kick a person from time to time and is never scared to kill a person.
This guy at McDonald's messed up my order so I Liam Neesoned his ass in the throat.
by AsianInvasion23 February 8, 2011
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to remove a gun from someones hand and proceed to strike them in the neck repeatedly till death or unconsciousness over comes them like a badass
dude did you just The liam neeson him yes i did!!
by n degrees 3 March 10, 2009
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Someone with a very particular set of skills, skills that make him a nightmare for someone like you.
Guy: 'Hi Liam! What takeout ya want?'

Liam Neeson: 'I will find you KFC and I will get extra garlic sauce'
by Da King Prawn December 27, 2016
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When a person or object is no longer available for a specific use due to someone else taking it first.
Charlie: Dude, who's that ridiculously hot chick over by the bar?
Dennis: That's Kate bro. Don't get your hopes up. She's Liam Neesoned. She's dating Greg.

Mac: Who the hell Liam Neesoned all my sleeveless shirts?
Frank: I think i saw Scumbag Steve rocking your cut offs at his place the other day.
by Rentz2Damhigh October 11, 2012
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when an actor or actress only does revenge movies until they crap themselves off of the a-list
I heard Kiefer Sutherland was considering pulling a liam neeson.
by AdolfHitler69 February 17, 2015
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When you openly admit that you did a bad thing in the past and have matured and learned from it, thinking that people will praise you for maturing, but instead people condemn you for doing that bad thing in the first place.
Liam Neeson admitted to the media that he was racist when he was younger thinking that people would praise him for maturing and growing, but instead he received heavy backlash for being racist in the first place.

Jacob made a post on Reddit about how he used to use gay as an insult in high school but has since matured and learned from his past mistakes and no longer does so. Silly Jacob just made a Liam Neeson Slip, now he's gonna get hate in the comments instead of the praise he was expecting.
by Crondom August 2, 2021
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