shamp

v. t. [ imp. & p. p. Shampooed p. pr. & vb. n. Shampooing. ] [ Hind. chāmpnā to press, to squeeze. ] [ Writing also champoo. ] 1. To press or knead the whole surface of the body of (a person), and at the same time to stretch the limbs and joints, in connection with the hot bath. [ 1913 Webster ]

2. To wash throughly and rub the head of (a person), with the fingers, using either soap, or a soapy preparation, for the more thorough cleansing. [ 1913 Webster ]