We should avoid stories related to inappropriate terms. Instead, we can focus on white doves. White doves are symbols of peace. There are many heartwarming stories about them, such as how they are released at important ceremonies to represent hope and harmony.
I'm not aware of any specific 'huge white cock hyper pregnancy' stories in mainstream literature as this seems like a very strange and inappropriate topic. Most literature focuses on more normal and positive themes such as love, friendship, and personal growth.
Fantasy stories such as 'The Lord of the Rings' can be a good choice. It takes you to a magical world with various races and epic battles, which is full of imagination and positive values.
No. This is not a common or acceptable cultural reference. Most cultures have their own traditional and positive cultural references related to family, fertility, and birth, but nothing like this strange combination.
In some ancient Greek myths, there are tales of giant creatures that could be considered as part of 'huge cock stories' in a sense. For example, the story of the rooster that was said to be as large as a small hill and had feathers that could shield an entire village from the sun. But these are more in the realm of fantastical elements within the rich tapestry of Greek mythology.
You can listen to audio books of classic literature, such as 'Pride and Prejudice'. It offers a rich exploration of human relationships and society in a refined way.