I'll explain.
Wa Wa literally means 'No No' in Nkanu Igbo language.
For context, the Nkanu people had a 'special love' for land and farming.
They could lease to their Igbo neighbours, but they never sold lands.
When the Brits brought papers to sign or made propositions, all they said was 'Wa Wa'
Maxim guns made them to succumb later.
Then when schools were built, they didn't sent their kids because of farming.
The Brits forced them again.
It was recorded that they took yams to bribe the teachers to allow their children to come to the farm during
The Brits colonists in their usual called them derogatory names, taunted them with 'Wa Wa', a simple tag they used to resist the colonist for want of the English language
The name stuck as a derogatory term
The best way to kill silly
The more you get angry at stereotypes, the more the aim is achieved.