The erotic nature of the food competition turned lesbian frolic could have been the entire scene as far as I was concerned; the nervous energy translating quite well into excitement by the ladies as they went into oral mode on each other.
The oral tease led to the ladies aggressively inhaling his cock, wrapping their lips around his shaft to work him over heatedly.
She gave good, though not exceptional, head and sat on his face to ensure he did likewise.