Spicy Tooth
It's like sweet tooth but it's with Spicy food instead. It's a craving or fondness for spicy food.
That guy loves hot sauce He has one heck of a Spicy tooth.
Have a spicy tooth
Idiom
If you have a spicy tooth, you like eating spicy foods.
If you have a spicy tooth, you like eating spicy foods.
This restaurant is great for those who have a spicy tooth.