get a fix (of something)

To acquire a required or necessary amount of something, especially that which one is addicted to or compulsively seeks. When I was a junkie, I would do just about anything in order to get a fix. I just can't get my day going until I get a fix of caffeine.

get a fix

Obtain a needed dose of something, especially but not necessarily a narcotic drug. For example, Heroin addicts will do anything to get their fix, or Chris referred to her daily swim in the pool as her chlorine fix. The noun fix has been used for a narcotic dose since the 1930s, and was extended to other compulsively sought things about two decades later. Also see get a fix on.

get a fix

and get a gift

tv. to buy drugs; to take a dose of drugs. (Drugs.) Gert had to get home and get a fix.