An exclamation of victory over an opponent. Used derisively. An egotistical exclamation of conquest, but rarely if ever used in reference to sexual conquests. Typical use involves video games or fights, or contests of skill.
Has a somewhat comedic pronunciation, and may be used with the word mister for emphasis. Somewhat popular in PA, but also gaining some popularity in FL due to the tendency of northerners to travel there.

When you eat dirt for the first time and leave your family to build a shack in the woods