Source : Free On-Line Dictionary of Computing

cationic cocktail
     
         (Or "Downy cocktail") Diluted fabric softener
        sprayed on computer room carpets to prevent static electricity
        from being built up by feet shuffling on carpet.
     
        The {canonical} cationic cocktail is one part unscented liquid
        fabric softener (in the US, usually "Downy" brand) to five
        parts water.
     
        "Cationic" is the chemical term for the most common active
        ingredient in fabric softeners.  The use of the term
        "cocktail" may be influenced by its use in other jargons,
        especially pharmacological and chemical, to denote a mixture
        which, like cationic cocktail, typically contains no alcohol
        and would be unwise to drink.
     
        (1998-04-04)