What is discourteous?

During sex when the man (driver) switches lanes (holes) without signaling

Mary had trouble sitting after a night with Dave. She told all her friends she was up for anything but didn't expect him to be a discourteous driver.

discourteous - meme gif

Discourteous- is the opposite of courteous, instead of a generous act of accomadating someone it instead puts someone at an inconvenience.

The "courteous" charginging station was discourteous when it wouldn't give the woman her phone back from the complementary lock box.