sick to (one's) stomach
Nauseated or vomiting. I started feeling sick to my stomach on the way home because Kelly was driving at top speed on the twisting road. I heard you were sick to your stomach after dinner last night—how are you feeling this morning?
sick to one's stomach
Also, sick at one's stomach. Nauseated, vomiting, as in I always get sick to my stomach in the back seat of a car. [Mid-1600s]
sick to your stomach
1 feeling nauseous. 2 disgusted.sick to your ˈstomach
disgusted or angry: I feel sick to my stomach every time I think about the way that child was punished.