tweaker

== English == === Etymology === From tweak +‎ -er; the drug addict sense derives from the slang term tweak for methamphetamines, in reference to the punding behavior of addicts. === Pronunciation === === Noun === tweaker (plural tweakers) A person who tweaks something. A tool, especially a screwdriver, for making small adjustments. (slang) A person addicted to methamphetamine. (slang, by extension) A person seen as demented, crazy, or jittery, or a person displaying those qualities. (cricket, slang) A spin bowler. === Anagrams === Traweek, retweak