In the heat of the moment, Knocken's lust takes over, his hand moving feverishly up and down his stiff shaft. The cramped space, the knowledge of potential discovery, all fuel his desire. He imagines the eyes on him, the gasps of surprise, the whispers of scandal. His heart races, his breath hitches, and with a final, powerful stroke, he comes undone, his cock pulsing as it spills his load onto the grimy tiles, a testament to his brazen display of desire.