NIB
New in box
Example
Original Tickle Me Elmo, NIB. See pics below
NIB definition by Slang.net
This page explains what the acronym "NIB" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
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On online auction and sales sites, NIB stands for "new in box." A NIB item is in mint condition and has not been removed from its original packaging.
You're most likely to encounter NIB while shopping for electronics or collectibles. Those items' condition can greatly affect their price, so sellers go to great lengths to point out when an item is not only new, but has never been opened. You may also see sellers use acronyms like MIB, BNIB, NIP, and NWT to describe unused, mint condition items.