To "hit on someone" is a colloquial expression that means to flirt with or show romantic or sexual interest in another person. When someone is hitting on another person, they are attempting to attract their attention and establish a connection in a romantic or potentially sexual manner.
The act of hitting on someone can involve various actions, such as giving compliments, engaging in light-hearted teasing, using body language to convey interest, or initiating conversation with the intention of expressing romantic or sexual interest. However, it's crucial to note that hitting on someone should always be done with respect and consent. Unwanted advances or persistent behavior can be considered harassment and are not acceptable.
Communication and understanding each other's boundaries are key when expressing interest in someone. If the person being approached is not interested or uncomfortable, it's important for the other person to respect their feelings and back off gracefully. Consent and mutual interest are essential in any romantic or intimate interaction.