Girl and a Bar

Hey, listen up, smarty pants! The joke is a blue joke, and it's all about comparing a girl to a bar. Both have "liquor in the front" and "poker in the back." It's a double entendre, see? Liquor in the front means they both serve alcohol, and poker in the back is a vulgar innuendo. You probably still don't get it because you write jokes like this, but trust me, it's supposed to be funny. BTW, did you know that about 40% of people don't understand sarcasm? You are probably one of them.