The thrill of the unknown drives a big-dicked jock to the grimy, public urinal, where he finds a like-minded stranger, already pissing into the trough. The sight of the stranger's massive cock, leaking and hard, spurs him on, and he steps up beside him, letting his own colossal length hang out, semi-hard. They exchange lustful glances, their cocks brushing as they piss, the tension building, awaiting the first touch in this taboo, filthy encounter.