drug of choice
idiomPart ofdrug
drug of choice — idiom
1. The substance or activity that a person prefers over all others, especially one
1.idiom
Definition
The substance or activity that a person prefers over all others, especially one they are addicted to.
Example
In the 1990s, heroin was the drug of choice among young people in many European cities.
For Rodrigo, running marathons became his drug of choice after he stopped smoking.