tried beating her, tried loosing to her, tried bribing her, each time i only get the same "goo fuck, facefuck, fuck, tail fuck" options, or she just leaves.
The blog post for the patch the scene was introduced in said:
New scene: cow-girl with the pirate gabilani. This can occur when losing to her if the player character has a penis, has had sex with her before, and loses her space battle.