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1. An abbreviation for "last in, first out," a data-processing method in which the last data entered is the first to be sent out after processing. He coded the whole thing with LIFO stacks when I explicitly told him to use FIFO stacks!
2. An abbreviation for "last in, first out," meaning that the employees who were hired most recently will the first to be laid off. I heard that the company is downsizing its staff after Christmas. I was only hired a year ago, so I'm worried it will be a LIFO situation.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
phr. last in, first out. (Computers. Acronym. Refers to the order of data put in and returned from the processor.) I can’t remember whether the stack is LIFO or FIFO.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.