What offense is committed when a man slaps a woman's buttocks after complimenting her?

The offense committed when a man slaps a woman's buttocks after complimenting her falls under Assault by Contact. This type of assault involves intentionally causing physical contact with another person in a way that the person finds offensive or provocative. The action of slapping someone's buttocks without consent constitutes unwanted physical contact and can lead to an understanding of injury or offense, which is a crucial element of Assault by Contact.

In this context, even if the action follows a compliment, it does not negate the fact that the physical act was non-consensual and could be perceived as offensive. The law recognizes that such behavior can create a hostile or uncomfortable environment for the person on the receiving end. Thus, when actions like this occur, they typically fulfill the criteria for Assault by Contact, characterized by the lack of consent and the offensive nature of the action.