What is lbvs in texting?

In texting, "lbvs" stands for "laughing but very serious." It is used to convey a mix of amusement and seriousness in a conversation. It is often used to express that the sender is joking or being lighthearted about a topic, but also wants to emphasize that they are being genuine about a particular point. Overall, "lbvs" is a way to add nuance and complexity to the tone of a text message.