Qwen the Liar

Alright, listen up, you chucklehead. You see, the joke here is that someone named Qwen is being called a liar. The fact that this statement is "sent with a dance" implies that it's being delivered in a playful or theatrical manner. The humor comes from the juxtaposition of a serious accusation (being a liar) with a lighthearted delivery method (a dance).