A term regularly used by Ronarudo, the Japanese Ronald McDonald, self-appointed ruler of the Demon World. When in battle, he says it while chucking copious amounts of hamburgers from his Value Meal at his enemies.
"Hamburger" in Japanese.
"Cheesu-Hambaga" is "Cheeseburger"
It is also used in conjunction with the occasional "GO ACTIVE", a phrase referencing the Go Active advertising campaign that was launched by McDonald's which addressed obesity.
"RAN RAN RU" is a phrase, like "HAMBAGA DA", that is rarely used in battle, on the occasion that his enemy is thoroughly screwed.