have a penchant for (something)
To have a strong preference for something. She had a penchant for fine wine and expensive restaurants.
have a penchant for doing something
to have a taste, desire, or inclination for doing something. John has a penchant for eating fattening foods. Ann has a penchant for buying clothes.
have a penchant for
Have a tendency or taste for. For example, He has a penchant for saying the wrong thing, or She has a strong penchant for baroque music. [Second half of 1600s]