OOAK
OOAK definition by Slang.net
This page explains what the acronym "OOAK" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
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An acronym used on eBay and other online sales sites to mean that an item is unique; can mean that the item is hand made, even if there are other products of the same kind; can refer to artwork, woodwork, or other crafts.