The phrase "You know what I mean" is commonly used in conversation to seek confirmation or understanding from the listener. It often follows a statement or explanation, indicating that the speaker believes their point is clear and relatable. This phrase can help create a sense of connection and shared understanding between people. In informal settings, it serves as a way to engage the audience, prompting them to reflect on the speaker's message. It can also signal that the speaker is looking for empathy or agreement, making it a useful tool in everyday communication, especially among friends or peers.