You stroke slowly as she teasingly smiles at you. She seems to be enjoying herself, but you find it very humiliating and embarrassing. After a bit she says:
"Now take that lube over there and spread it around generously on your cock!" She giggles as she watches you do it.
"Does that feel better?" she teases.
You nod. The ache and need in your cock only increase as you stroke and she laughs at your struggles.