The correct term is tecolin, with tilde. It is a word of Nahuatl origin, meaning charcoal. In Mexico means malandrín, perverse, thief, thief. It is also a low-denomination coin. Most used in plural. The Tecolines, is the name of a Musical Trio that performs boleros. Dr. Tecolin, is the stage name of a (hospital clown) comedian doctor Mexican called Sergio Carvallo.