A snip from a story I’m working on:
Mark watched his wife run her hands over the massive bulge in Julio’s pants, tracing the hard meat through the denim. Looking up at him and oblivious of Mark, she bit her lower lip and unzipped his jeans. The straining member beneath sprang forth.
Kate made a sound that was equal parts satisfied sigh and surprised grunt. Her eyes were wide and she licked her lips. “Now that’s a fucking cock,” she said, almost to herself.
Even Mark had to admit, it was significant. Not freakishly big or anything, but impressively built. Compared to his own, Mark estimated it to be around six-and-a-half to seven inches long, but its girth was its most striking feature. Julio’s meat was nearly twice as fat as Mark’s relatively thin member. Even as it achieved its full hardness, its weight made it arch gracefully out from his body. As Julio pushed his pants to the ground and stepped out of them, the movement made his cock sway with an obvious heft. Nothing at all like Mark’s stiffies. There was almost a languid quality to Julio’s mocha-colored erection making it look easily confident, while Mark’s, in those rare times it was allowed to achieve full hardness, stood up like a spastic terrier, pink, peachy, and pokey. Mark’s shaft was the same thickness from tip to base and his circumcised head flared out like a little mushroom. Julio’s cock (the only other living erection Mark had ever seen) was fatter towards the end giving it a club-like appearance. Its foreskin (something else Mark had never seen before) was pulled back just enough to display about half its bulbous, light tan head. The deep cleft in his glans was already glistening with clear natural lubricant, produced in hungry anticipation of the fucking his wife was about to get.
Mark could feel the blood rise in his cheeks at the raw lust being displayed by Kate; a reaction he had never been able to evoke in her before. His ears burned, his chest thumped, and his eyes watered as he simultaneously felt embarrassment, jealousy, and anger. But also a great deal of excitement. His stomach was quivering and he started to shiver, both from his nakedness and from nervous anticipation. He wanted to see his wife stretched and filled with Julio’s giant pole while at the same time see him get dressed and leave their home forever. Whatever happened next, Mark knew his marriage — and his life — would never be the same again.
Regardless, he was also aware that his smallish prick was pushing its steel trap up and away from his body, painfully hard and straining against its containment. He had never been more sexually aroused in his life.