This man is sitting in a bar and notices two lovely women across the way. He calls the bartender over and says, "I'd like to buy those two ladies a drink."
The bartender replies, "It won't do you any good."
The man, with a confused look on his face says, "It doesn't matter, I want to buy those women a drink."
The bartender delivers the drinks to the ladies and the ladies acknowledge the drink with a nod of their heads. About a half-hour later, the man approaches the women and says, "I'd like to buy you two another drink."
The women both reply, "It won't do you any good."
The man says, "I don't understand. What do you mean it won't do me any good?"
The first lady says, "We're lesbians."
The man replies, "Lesbians? What are lesbians?"
The second woman replies, "Lesbians... We like to lick pussys."
The man says, "Bartender, three beers for us lesbians."