These are exclamations of surprise used in Colombia. In Colombia, and especially in the Department of Santander, the interjection hijuepuerca is used as a demonstration of annoyance, pain, anger, impotence, surprise or displeasure. It's not necessarily an insult and it's not synonymous with. The expression hijuepucha is also used in the center of the country and with the same meaning. They can be thought of as synonyms of uyyy or uff.
