Top Definition
Occurs when you have your eye on something you want or need and you're competing with one or more people for the same thing, like a seat on the train or a much-coveted book. It's as if you had shone an imaginary laser pointer at the seat or book, in order to claim your right to have it.
(To passenger on bus): Excuse me, but I saw that seat first. In case you didn't notice,I have two sick kids.
Sorry, laser lock! (Passenger, mumbling): Ayyyy, que la tiznada!
by pentozali October 19, 2007

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