Mumboozeled

When one gets fooled in a way that is connected to Mumbo Jumbo (Minecraft Youtuber)

Grian: I've just been Mumboozeled by Mumbo.
Mumbo Jumbo: No.

Vallah

Originally an Islamic word meaning "swear to god" but in some regions a word that's rather a platitude rather than a promise.

Ayo bro two plus two aint 3
Vallah bro trust me