Owner is busy with my GirlFriend

Man in bar: 1 large VODKA please.
Barman: $1, Sir
Man: What? Only 1? Can I have some kebabs please ?
Barman: Here Sir, $1
Man: Wow, that's real cheap, Can I meet the owner?
Barman: no sir, he is busy with my Girlfriend.
Man: what is he doing with your Girlfriend?
Barman: the same that I am doing to his business here..!:)