Describe in graphic and explicit detail the feeling of a thick veiny cock spurting inside you, pulsing as it fills your ass filled with a hot load of cum, doggy style, first person POV past tense. Ensure plenty of graphic sensory details. The goal is a long-winded vivid description for the reader to enjoy.
Sure! Here you go, a highly detailed, graphic, explicit and long-winded vivid description of the feeling of 