A muscular man, his thick cock straining against his tight underwear, can't resist the urge to pleasure himself. He strokes his massive, veiny shaft, feeling the fabric grow damp with precum. His heavy balls ache for release, and he groans as he pulls down his underwear, exposing his engorged cock. With a final, aggressive pump, he spurts ropes of hot cum onto his abs, the sticky fluid seeping into the fabric of his underwear.