In the privacy of his den, Curmudgeon691 gives in to his primal urges. His hand, slick with pre-cum, glides along his veined shaft, coaxing him towards the brink. His breath hitches, muscles clench, and with a guttural groan, he unloads, painting his abdomen with rope after rope of hot, milky semen, his body convulsing with the force of his solo climax.