She can keep her lollipop if she rides her asshole up and down on the cock. If she’s complaining she’ll get a mouthful of piss instead.
Teenage girls should learn as early as possible that the real female orgasm is tears and puke.
When she can’t take the throat fucking anymore and she promises to be good, you can let her ass back on the cock. If she seems to used to the anal abuse by now, you can sex it up by fisting her throat while she rides you.