Move one's bowels

Too great emphasis on privacy in connection with the eliminative functions may, in some instances, result in a child's inability to urinate or move his bowels in an unfamiliar setting.

Three days before the fight he was eating fruit. . . . "Keeps my system regular," he said. ". . . Keeps you from getting old, moving your bowels regular."

In the middle of the night the woman moved her bowels. The sharp stink of it pervaded the room.