A word used by cavemen imitators or present day cavemen decendents. It is a vulgor term used to greet a fellow cavemen, but can also be used as a war call/threat towards enemies or others who threaten the caveman. The cavemen aren't actually "cavemen", but they are people (usually adolescents) who like to believe they are.
Note: Term originated from the small city of Saskatoon, located in the province Saskatchewan of the country Canada. There are many more terms that are yet to be deciphered.