Beer which you have either rediscovered, or have in your possession without knowing its true origins. Typically a cheap beer. Typically left over from a forgotten party. Sometimes found in a hot car, or exposed to the elements for additional flavor enhancement.
"Hey, Sean brought up some secret beer from his car"
"Ugh! How long has it been there? And... can you pass me one?"
by AtomicKoi April 23, 2021
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