In some Latin American countries, 'gillete' is a slang term used to refer to a person who is very sharp, intelligent or quick-witted. It's derived from the brand name of a popular razor, Gillette, implying a 'sharp' mind.
Examples
- Spanish: Ese chico es un gillete, resolvió el problema en segundos.
- English: That guy is a 'gillete', he solved the problem in seconds.