Any drink taken, while drunk, in an attempt to sober up. Different from hair of the dog in that a gambit is always consumned while still drunk, usually in a fit of drunk logic. Named after the character Zaphoid Beebelbrox of "The Hitchhikers Guide to the Galaxy."
Guy 1: Maybe I should have another drink. Send one down to see what the other five are doing

Guy 2: Bad idea man, Beebelbrox's gambit never works.
by ncstate boy June 21, 2006
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