Or the other way around! The Player humiliating the dino in front of a crowd!
Other ideas would be:
- The dino having to ask permission to finish (which you already have and I love it!)
- The dino being forced to wear a gag or restraints on the body.
- Sexual denial, like using a chastity device.
- The player being able to finish on the dino's face.
- Embarrasement (mocking the dino about his current situation, his past as a proud macho soldier, the police being after him, for being arroused by the encounter...)
- Having him admit say some quotes about how he is doing this because he has to, not because he likes it (could be optional).
- Since you have the watersports option, you could add the option of the player peeing on the dino as well.
These were for he player being the dom. Now, if you want the player being the submissive some ideas could be:
- The Dino mocking the player's human (thus smaller) genitalia.
- Having him call the player stuff like boy, sissy or pet. Or other insults such as ugly, stupid, sick, disgusting, b*tch, c*nt, wh*re...
- Dino mocking the player's physique, belittling it, laughing at it, comparing it to his own.
- He teases or hummiliates the player for being aroused by a donosaur, or for reaching out to his service (could use some name calling as well here)
- Dino ordering the player what sexual act he wants next.
I hope these help!