It is a term used in the Department of Nariño and especially in the cities of Pasto, Túquerres and Ipiales. . It means "how cold!" . It is a very frequent exclamation given the climate of that area.
It is a word used in Pasto (Colombia) as an exclamation when feeling cold. In other countries it is also used when feeling fear. It has a Quechua origin. See achachai .