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1.
Memory loss, bewilderment and general disorientation following on from drinking vast quantities of alcohol. Sufferers have no concept of anything - a general sign of having too much booze.

More hardened sufferers keep the symptoms whilst being sober. Similar to mumnesia, only the cause is being a drunken twat.

A.K.A. Alcoholic Dementia
Woman: Did you call the carpet fitters?

Man: Ah shit... I forgot, my Alczheimers must be getting worse.
by Hector Knox March 11, 2008