In Warcraft 2, this word is used by an Orcish grunt/peon. Just click on the Orc a few times and he'll say it. Swubu is the confirmation sound, dabu as well.
1.Click on an orc
2.Orc: Huh, Hiphop,
3.Right click on a gold mine or whatever
4.Orc: Swubu or dabu