cuachichictli.

the hairstyle of the cuachic warriors, or the "shorn ones," and was characterized by the stiff ridge crest going along the head (sixteenth century, central Mexico)
Justyna Olko, Turquoise Diadems and Staffs of Office: Elite Costume and Insignia of Power in Aztec and Early Colonial Mexico (Warsaw: Polish Society for Latin American Studies and Centre for Studies on the Classical Tradition, University of Warsaw, 2005), 112.