A more thorough explanation:

Obreptione

Obreptione means to deceive someone by surprising them.

1. The salesman used obreptione to sell the car to the customer by hiding the car's defects.

2. The politician won the election by obreptione, by making false promises to the voters.

These examples illustrate how obreptione is used to deceive someone by surprising them. In the first example, the salesman used obreptione to sell the car by hiding its defects, which surprised the customer later. In the second example, the politician used obreptione to win the election by making false promises, which surprised the voters later.