from The Century Dictionary and Cyclopedia
- n. In India, an order or instruction from a person in authority. Compare hakim.
Sorry, no etymologies found.
Economists are more scientific than looking into a bowl of water, but still it's all hookum.
What is the worst hookum being sold under the “green” mantle?
He and his best camel and its driver were gone, but all his people and servants and _oont-wallahs_  were in the _serai_,  and said they knew not where he was, but had received a _hookum_  over-night to set out that day for Mekran Kot.
I don’t think you need to believe international law is “so much hookum” to deny those claims.
Ally ma boo hookum foldimaronky bang, "said the Arab, looking up.