Supercookie
noun, slang
noun, slang ·Uncommon ·College level
Definitions
Noun
- 1 A data store on a user's computer that can be accessed by websites and used as a more persistent form of cookie. informal
"The SharedObject class is familiar to many Flash programmers as a way to create a kind of supercookie; a local shared object (LSO) can store ActionScript data on the client between sessions."
Example
More examples"The SharedObject class is familiar to many Flash programmers as a way to create a kind of supercookie; a local shared object (LSO) can store ActionScript data on the client between sessions."
Etymology
From super- + cookie.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.