Ongah

Pronounced On Gaw. Used in place of On God. To be used in nauseating amounts in on statement to declare it is the truth. Be sure to sound like a drunken tropical bird.

Ongah I will punch his nose in Ongah ongah I'm telling you OnGah!

Or

OnGah! (Smack lips) I swear to you (smack lips again) OnGah ongah ongah! Ongah!