"To need a fix" means to have a strong desire or craving for something, often referring to a stimulant or addictive substance like drugs or alcohol. It suggests a dependency on that substance or an urgent need to satisfy that craving.
Sentences with «to need a fix»
I do not need fixed income so I elected to use these areas to balance my portfolio. (thecollegeinvestor.com)
If we do not fix what needs fixing we are not finishing in the top 4. (justarsenal.com)
HR professionals and anyone in a leadership position must especially pay attention to the following signals that something needs fixing for a safer, happier, and far healthier environment. (careerdigital.com)