champissage
n.— «We use a chopping technique called champissage (where the English word shampoo comes from), hair tugging to stimulate the scalp and follicles, as well as pressing on marma, or pressure points.» —“Lunchtime fix: Indian head massage” by Claire McDonald Times (London, England) Feb. 11, 2006. (source: Double-Tongued Dictionary)
Further reading
In 1968, students at Cheyenne High School in Cheyenne, Wyoming, compiled a collection of their own slang, including the word Clyde, used to refer to one’s head, as in Use your Clyde! This is part of a complete episode.
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