1. When my daughter thinks she’s getting sick, she plays the role to the hilt so that she doesn’t have to go to school. Even though she might just have a cold, she complains that she aches from head to toe.
2. They tried not to get into debt too much. But they had to get a bank loan to buy their house, so now they’re in to the hilt.

Compare to: go to town; pull out all the stops; whole hog; whole nine yards.