Most Abdominal Bulges would be defined as a medical condition. But in this case it is when a penis is so big and long that when it enters you your stomach will be stretched showing the shape of it.
As the room became steamy with their combined heat the head of his hardened cock enters the wet heat. Sliding in so deep his shaft is big enough to make an abdominal bulge.
by Learning Learner November 17, 2018